32564660506455 has 128 divisors (see below), whose sum is σ = 66430969804800. Its totient is φ = 13503741189120.

The previous prime is 32564660506381. The next prime is 32564660506537. The reversal of 32564660506455 is 55460506646523.

It is not a de Polignac number, because 32564660506455 - 2¹⁰ = 32564660505431 is a prime.

It is a super-2 number, since 2×32564660506455² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32564660506395 and 32564660506404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 25234377 + ... + 26493453.

It is an arithmetic number, because the mean of its divisors is an integer number (518991951600).

Almost surely, 2^{32564660506455} is an apocalyptic number.

32564660506455 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

32564660506455 is an abundant number, since it is smaller than the sum of its proper divisors (33866309298345).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32564660506455 is a wasteful number, since it uses less digits than its factorization.

32564660506455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259574 (or 1259560 counting only the distinct ones).

The product of its (nonzero) digits is 77760000, while the sum is 57.

The spelling of 32564660506455 in words is "thirty-two trillion, five hundred sixty-four billion, six hundred sixty million, five hundred six thousand, four hundred fifty-five".