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16068222720 = 283451173193
BaseRepresentation
bin11101111011011110…
…11001111100000000
31112110211012021210000
432331233121330000
5230401431111340
611214233440000
71106120432244
oct167557317400
945424167700
1016068222720
1168a6102610
123145270000
131690c51ac4
14ac6050424
156409bed30
hex3bdbd9f00

16068222720 has 720 divisors, whose sum is σ = 63910500192. Its totient is φ = 3822059520.

The previous prime is 16068222697. The next prime is 16068222739. The reversal of 16068222720 is 2722286061.

16068222720 is a `hidden beast` number, since 1 + 606 + 8 + 2 + 2 + 27 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 83254944 + ... + 83255136.

Almost surely, 216068222720 is an apocalyptic number.

16068222720 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 16068222720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31955250096).

16068222720 is an abundant number, since it is smaller than the sum of its proper divisors (47842277472).

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

16068222720 is a wasteful number, since it uses less digits than its factorization.

16068222720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 16068222720 in words is "sixteen billion, sixty-eight million, two hundred twenty-two thousand, seven hundred twenty".