61600016156 has 24 divisors (see below), whose sum is σ = 128556556800. Its totient is φ = 25252180272.

The previous prime is 61600016117. The next prime is 61600016173. The reversal of 61600016156 is 65161000616.

It is a super-2 number, since 2×61600016156² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47825456 + ... + 47826743.

It is an arithmetic number, because the mean of its divisors is an integer number (5356523200).

Almost surely, 2^61600016156 is an apocalyptic number.

It is an amenable number.

61600016156 is an abundant number, since it is smaller than the sum of its proper divisors (66956540644).

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

61600016156 is a wasteful number, since it uses less digits than its factorization.

61600016156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95652233 (or 95652231 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The spelling of 61600016156 in words is "sixty-one billion, six hundred million, sixteen thousand, one hundred fifty-six".