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16061194240 = 213571331139
BaseRepresentation
bin11101111010101001…
…00110000000000000
31112110022222012111221
432331110212000000
5230343131203430
611213423044424
71106003620120
oct167524460000
945408865457
1016061194240
1168a2141a53
123142a40714
13168c660940
14ac5140c80
1564008257a
hex3bd526000

16061194240 has 448 divisors, whose sum is σ = 49322004480. Its totient is φ = 4883742720.

The previous prime is 16061194231. The next prime is 16061194241. The reversal of 16061194240 is 4249116061.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (448).

It is a junction number, because it is equal to n+sod(n) for n = 16061194196 and 16061194205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16061194241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115548091 + ... + 115548229.

It is an arithmetic number, because the mean of its divisors is an integer number (110093760).

Almost surely, 216061194240 is an apocalyptic number.

16061194240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16061194240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24661002240).

16061194240 is an abundant number, since it is smaller than the sum of its proper divisors (33260810240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16061194240 is a wasteful number, since it uses less digits than its factorization.

16061194240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 16061194240 in words is "sixteen billion, sixty-one million, one hundred ninety-four thousand, two hundred forty".