32064136164 has 18 divisors (see below), whose sum is σ = 81051010950. Its totient is φ = 10688045376.

The previous prime is 32064136157. The next prime is 32064136187. The reversal of 32064136164 is 46163146023.

32064136164 is a `hidden beast` number, since 3 + 2 + 0 + 641 + 3 + 6 + 1 + 6 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 22608129600 + 9456006564 = 150360^2 + 97242^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 890670449 = 32064136164 / (3 + 2 + 0 + 6 + 4 + 1 + 3 + 6 + 1 + 6 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 445335189 + ... + 445335260.

Almost surely, 2^32064136164 is an apocalyptic number.

It is an amenable number.

32064136164 is an abundant number, since it is smaller than the sum of its proper divisors (48986874786).

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

32064136164 is a wasteful number, since it uses less digits than its factorization.

32064136164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890670459 (or 890670454 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 32064136164 in words is "thirty-two billion, sixty-four million, one hundred thirty-six thousand, one hundred sixty-four".