3166025621 has 12 divisors (see below), whose sum is σ = 3521950656. Its totient is φ = 2843518920.

The previous prime is 3166025573. The next prime is 3166025627. The reversal of 3166025621 is 1265206613.

It is a de Polignac number, because none of the positive numbers 2^k-3166025621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3166025627) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147581 + ... + 167666.

It is an arithmetic number, because the mean of its divisors is an integer number (293495888).

Almost surely, 2^3166025621 is an apocalyptic number.

It is an amenable number.

3166025621 is a deficient number, since it is larger than the sum of its proper divisors (355925035).

3166025621 is a wasteful number, since it uses less digits than its factorization.

3166025621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315352 (or 315341 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 3166025621 is about 56267.4472586059. The cubic root of 3166025621 is about 1468.3789217833.

It can be divided in two parts, 316602 and 5621, that added together give a palindrome (322223).

The spelling of 3166025621 in words is "three billion, one hundred sixty-six million, twenty-five thousand, six hundred twenty-one".