3161660625 has 60 divisors (see below), whose sum is σ = 5828634240. Its totient is φ = 1650204000.

The previous prime is 3161660611. The next prime is 3161660669. The reversal of 3161660625 is 5260661613.

3161660625 is a `hidden beast` number, since 3 + 16 + 16 + 6 + 0 + 625 = 666.

It is not a de Polignac number, because 3161660625 - 2⁷ = 3161660497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3161660625.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 258396 + ... + 270354.

It is an arithmetic number, because the mean of its divisors is an integer number (97143904).

Almost surely, 2^3161660625 is an apocalyptic number.

It is an amenable number.

3161660625 is a deficient number, since it is larger than the sum of its proper divisors (2666973615).

3161660625 is a wasteful number, since it uses less digits than its factorization.

3161660625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12032 (or 12014 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 3161660625 is about 56228.6459467058. The cubic root of 3161660625 is about 1467.7037939605.

The spelling of 3161660625 in words is "three billion, one hundred sixty-one million, six hundred sixty thousand, six hundred twenty-five".