3161443880 has 32 divisors (see below), whose sum is σ = 8129427840. Its totient is φ = 1083923520.

The previous prime is 3161443871. The next prime is 3161443897. The reversal of 3161443880 is 883441613.

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, 5645156 + ... + 5645715.

It is an arithmetic number, because the mean of its divisors is an integer number (254044620).

Almost surely, 2^3161443880 is an apocalyptic number.

It is an amenable number.

3161443880 is an abundant number, since it is smaller than the sum of its proper divisors (4967983960).

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

3161443880 is a wasteful number, since it uses less digits than its factorization.

3161443880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11290889 (or 11290885 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 3161443880 is about 56226.7185597737. The cubic root of 3161443880 is about 1467.6702541253.

The spelling of 3161443880 in words is "three billion, one hundred sixty-one million, four hundred forty-three thousand, eight hundred eighty".