32161664540525 has 96 divisors (see below), whose sum is σ = 43430286950400. Its totient is φ = 23484969446400.

The previous prime is 32161664540521. The next prime is 32161664540557. The reversal of 32161664540525 is 52504546616123.

It is not a de Polignac number, because 32161664540525 - 2² = 32161664540521 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32161664540521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 29000598671 + ... + 29000599779.

It is an arithmetic number, because the mean of its divisors is an integer number (452398822400).

Almost surely, 2^{32161664540525} is an apocalyptic number.

It is an amenable number.

32161664540525 is a deficient number, since it is larger than the sum of its proper divisors (11268622409875).

32161664540525 is a wasteful number, since it uses less digits than its factorization.

32161664540525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2959 (or 2954 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 50.

The spelling of 32161664540525 in words is "thirty-two trillion, one hundred sixty-one billion, six hundred sixty-four million, five hundred forty thousand, five hundred twenty-five".