3165891980 has 48 divisors (see below), whose sum is σ = 7118616960. Its totient is φ = 1178462208.

The previous prime is 3165891977. The next prime is 3165892003. The reversal of 3165891980 is 891985613.

It is a happy number.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22052 + ... + 82571.

It is an arithmetic number, because the mean of its divisors is an integer number (148304520).

Almost surely, 2^3165891980 is an apocalyptic number.

It is an amenable number.

3165891980 is an abundant number, since it is smaller than the sum of its proper divisors (3952724980).

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

3165891980 is a wasteful number, since it uses less digits than its factorization.

3165891980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104738 (or 104736 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 50.

The square root of 3165891980 is about 56266.2596944208. The cubic root of 3165891980 is about 1468.3582609284.

The spelling of 3165891980 in words is "three billion, one hundred sixty-five million, eight hundred ninety-one thousand, nine hundred eighty".