3161585420 has 24 divisors (see below), whose sum is σ = 7587805344. Its totient is φ = 1083972096.

The previous prime is 3161585411. The next prime is 3161585431. The reversal of 3161585420 is 245851613.

It is a Harshad number since it is a multiple of its sum of digits (35).

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, 11291237 + ... + 11291516.

It is an arithmetic number, because the mean of its divisors is an integer number (316158556).

Almost surely, 2^3161585420 is an apocalyptic number.

It is an amenable number.

3161585420 is an abundant number, since it is smaller than the sum of its proper divisors (4426219924).

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

3161585420 is a wasteful number, since it uses less digits than its factorization.

3161585420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22582769 (or 22582767 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 3161585420 is about 56227.9771999669. The cubic root of 3161585420 is about 1467.6921566648.

The spelling of 3161585420 in words is "three billion, one hundred sixty-one million, five hundred eighty-five thousand, four hundred twenty".