32172565064 has 16 divisors (see below), whose sum is σ = 60345884400. Its totient is φ = 16080329232.

The previous prime is 32172565063. The next prime is 32172565079. The reversal of 32172565064 is 46056527123.

It is not an unprimeable number, because it can be changed into a prime (32172565063) 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 3 ways as a sum of consecutive naturals, for example, 721154 + ... + 764465.

It is an arithmetic number, because the mean of its divisors is an integer number (3771617775).

Almost surely, 2^32172565064 is an apocalyptic number.

It is an amenable number.

32172565064 is a deficient number, since it is larger than the sum of its proper divisors (28173319336).

32172565064 is a wasteful number, since it uses less digits than its factorization.

32172565064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488332 (or 1488328 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 41.

The spelling of 32172565064 in words is "thirty-two billion, one hundred seventy-two million, five hundred sixty-five thousand, sixty-four".