32564985696 has 72 divisors (see below), whose sum is σ = 92625558480. Its totient is φ = 10852782336.

The previous prime is 32564985667. The next prime is 32564985697. The reversal of 32564985696 is 69658946523.

32564985696 is a `hidden beast` number, since 3 + 2 + 5 + 6 + 498 + 56 + 96 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32564985697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2030766 + ... + 2046738.

It is an arithmetic number, because the mean of its divisors is an integer number (1286466090).

Almost surely, 2^32564985696 is an apocalyptic number.

32564985696 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

32564985696 is an abundant number, since it is smaller than the sum of its proper divisors (60060572784).

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

32564985696 is a wasteful number, since it uses less digits than its factorization.

32564985696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23068 (or 23057 counting only the distinct ones).

The product of its digits is 83980800, while the sum is 63.

The spelling of 32564985696 in words is "thirty-two billion, five hundred sixty-four million, nine hundred eighty-five thousand, six hundred ninety-six".