3161890455 has 32 divisors (see below), whose sum is σ = 5184635904. Its totient is φ = 1644721536.

The previous prime is 3161890447. The next prime is 3161890481. The reversal of 3161890455 is 5540981613.

It is not a de Polignac number, because 3161890455 - 2³ = 3161890447 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 198912 + ... + 214218.

It is an arithmetic number, because the mean of its divisors is an integer number (162019872).

Almost surely, 2^3161890455 is an apocalyptic number.

3161890455 is a deficient number, since it is larger than the sum of its proper divisors (2022745449).

3161890455 is a wasteful number, since it uses less digits than its factorization.

3161890455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15655.

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 3161890455 is about 56230.6896187482. The cubic root of 3161890455 is about 1467.7393569372.

The spelling of 3161890455 in words is "three billion, one hundred sixty-one million, eight hundred ninety thousand, four hundred fifty-five".