3161406625 has 32 divisors (see below), whose sum is σ = 4281653376. Its totient is φ = 2316600000.

The previous prime is 3161406587. The next prime is 3161406631. The reversal of 3161406625 is 5266041613.

It is not a de Polignac number, because 3161406625 - 2¹¹ = 3161404577 is a prime.

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, 205450 + ... + 220300.

It is an arithmetic number, because the mean of its divisors is an integer number (133801668).

Almost surely, 2^3161406625 is an apocalyptic number.

It is an amenable number.

3161406625 is a deficient number, since it is larger than the sum of its proper divisors (1120246751).

3161406625 is a wasteful number, since it uses less digits than its factorization.

3161406625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15010 (or 15000 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 3161406625 is about 56226.3872661227. The cubic root of 3161406625 is about 1467.6644890095.

The spelling of 3161406625 in words is "three billion, one hundred sixty-one million, four hundred six thousand, six hundred twenty-five".