120616538056 has 32 divisors (see below), whose sum is σ = 262701132480. Its totient is φ = 50845377600.

The previous prime is 120616538051. The next prime is 120616538057. The reversal of 120616538056 is 650835616021.

It is a super-2 number, since 2×120616538056² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120616538051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17651230 + ... + 17658061.

It is an arithmetic number, because the mean of its divisors is an integer number (8209410390).

Almost surely, 2^120616538056 is an apocalyptic number.

It is an amenable number.

120616538056 is an abundant number, since it is smaller than the sum of its proper divisors (142084594424).

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

120616538056 is a wasteful number, since it uses less digits than its factorization.

120616538056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35309365 (or 35309361 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 120616538056 in words is "one hundred twenty billion, six hundred sixteen million, five hundred thirty-eight thousand, fifty-six".