32213132656 has 40 divisors (see below), whose sum is σ = 63647426304. Its totient is φ = 15790956480.

The previous prime is 32213132587. The next prime is 32213132671. The reversal of 32213132656 is 65623131223.

It is a super-2 number, since 2×32213132656² (a number of 22 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 7 ways as a sum of consecutive naturals, for example, 81385 + ... + 266551.

Almost surely, 2^32213132656 is an apocalyptic number.

It is an amenable number.

32213132656 is a deficient number, since it is larger than the sum of its proper divisors (31434293648).

32213132656 is a wasteful number, since it uses less digits than its factorization.

32213132656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185389 (or 185383 counting only the distinct ones).

The product of its digits is 38880, while the sum is 34.

Adding to 32213132656 its reverse (65623131223), we get a palindrome (97836263879).

The spelling of 32213132656 in words is "thirty-two billion, two hundred thirteen million, one hundred thirty-two thousand, six hundred fifty-six".