3217625643164 has 12 divisors (see below), whose sum is σ = 5643006530784. Its totient is φ = 1605338062944.

The previous prime is 3217625643163. The next prime is 3217625643173. The reversal of 3217625643164 is 4613465267123.

It is a super-2 number, since 2×3217625643164² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3217625643163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 868687577 + ... + 868691280.

It is an arithmetic number, because the mean of its divisors is an integer number (470250544232).

Almost surely, 2^{3217625643164} is an apocalyptic number.

It is an amenable number.

3217625643164 is a deficient number, since it is larger than the sum of its proper divisors (2425380887620).

3217625643164 is a wasteful number, since it uses less digits than its factorization.

3217625643164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737379324 (or 1737379322 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 50.

The spelling of 3217625643164 in words is "three trillion, two hundred seventeen billion, six hundred twenty-five million, six hundred forty-three thousand, one hundred sixty-four".