3160861920 has 96 divisors (see below), whose sum is σ = 11063031840. Its totient is φ = 842895360.

The previous prime is 3160861919. The next prime is 3160861943. The reversal of 3160861920 is 291680613.

3160861920 is a `hidden beast` number, since 3 + 16 + 0 + 8 + 619 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 361521 + ... + 370160.

It is an arithmetic number, because the mean of its divisors is an integer number (115239915).

Almost surely, 2^3160861920 is an apocalyptic number.

3160861920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3160861920 is an abundant number, since it is smaller than the sum of its proper divisors (7902169920).

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

3160861920 is a wasteful number, since it uses less digits than its factorization.

3160861920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731705 (or 731691 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 3160861920 is about 56221.5432018724. The cubic root of 3160861920 is about 1467.5801921338.

It can be divided in two parts, 31608 and 61920, that added together give a triangular number (93528 = T₄₃₂).

The spelling of 3160861920 in words is "three billion, one hundred sixty million, eight hundred sixty-one thousand, nine hundred twenty".