16147797120 has 1152 divisors, whose sum is σ = 72885234240. Its totient is φ = 3386105856.

The previous prime is 16147797041. The next prime is 16147797203. The reversal of 16147797120 is 2179774161.

16147797120 is a `hidden beast` number, since 1 + 614 + 7 + 7 + 9 + 7 + 1 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 99066159 + ... + 99066321.

Almost surely, 2^16147797120 is an apocalyptic number.

16147797120 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 16147797120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36442617120).

16147797120 is an abundant number, since it is smaller than the sum of its proper divisors (56737437120).

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

16147797120 is a wasteful number, since it uses less digits than its factorization.

16147797120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 45.

The spelling of 16147797120 in words is "sixteen billion, one hundred forty-seven million, seven hundred ninety-seven thousand, one hundred twenty".