3223656520664 has 16 divisors (see below), whose sum is σ = 6067338322320. Its totient is φ = 1605699634720.

The previous prime is 3223656520639. The next prime is 3223656520723. The reversal of 3223656520664 is 4660256563223.

It is a super-2 number, since 2×3223656520664² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 766075967 + ... + 766080174.

It is an arithmetic number, because the mean of its divisors is an integer number (379208645145).

Almost surely, 2^{3223656520664} is an apocalyptic number.

It is an amenable number.

3223656520664 is a deficient number, since it is larger than the sum of its proper divisors (2843681801656).

3223656520664 is a wasteful number, since it uses less digits than its factorization.

3223656520664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532156410 (or 1532156406 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 50.

The spelling of 3223656520664 in words is "three trillion, two hundred twenty-three billion, six hundred fifty-six million, five hundred twenty thousand, six hundred sixty-four".