3161661160 has 32 divisors (see below), whose sum is σ = 8129986560. Its totient is φ = 1083998016.

The previous prime is 3161661119. The next prime is 3161661179. The reversal of 3161661160 is 611661613.

It is a super-2 number, since 2×3161661160² = 19992202581305091200, which contains 22 as substring.

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, 5645544 + ... + 5646103.

It is an arithmetic number, because the mean of its divisors is an integer number (254062080).

Almost surely, 2^3161661160 is an apocalyptic number.

It is an amenable number.

3161661160 is an abundant number, since it is smaller than the sum of its proper divisors (4968325400).

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

3161661160 is a wasteful number, since it uses less digits than its factorization.

3161661160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11291665 (or 11291661 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 3161661160 is about 56228.6507040672. The cubic root of 3161661160 is about 1467.7038767463.

The spelling of 3161661160 in words is "three billion, one hundred sixty-one million, six hundred sixty-one thousand, one hundred sixty".