3161113641 has 32 divisors (see below), whose sum is σ = 5399550720. Its totient is φ = 1790353152.

The previous prime is 3161113601. The next prime is 3161113643. The reversal of 3161113641 is 1463111613.

3161113641 is a `hidden beast` number, since 3 + 1 + 6 + 1 + 1 + 13 + 641 = 666.

It is not a de Polignac number, because 3161113641 - 2¹⁵ = 3161080873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (3161113643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52650 + ... + 95363.

It is an arithmetic number, because the mean of its divisors is an integer number (168735960).

Almost surely, 2^3161113641 is an apocalyptic number.

It is an amenable number.

3161113641 is a deficient number, since it is larger than the sum of its proper divisors (2238437079).

3161113641 is a wasteful number, since it uses less digits than its factorization.

3161113641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148142 (or 148136 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 3161113641 is about 56223.7818098356. The cubic root of 3161113641 is about 1467.6191489075.

The spelling of 3161113641 in words is "three billion, one hundred sixty-one million, one hundred thirteen thousand, six hundred forty-one".