64832567664 has 40 divisors (see below), whose sum is σ = 167495311360. Its totient is φ = 21609413568.

The previous prime is 64832567587. The next prime is 64832567671. The reversal of 64832567664 is 46676523846.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 875409 + ... + 946575.

It is an arithmetic number, because the mean of its divisors is an integer number (4187382784).

Almost surely, 2^64832567664 is an apocalyptic number.

It is an amenable number.

64832567664 is an abundant number, since it is smaller than the sum of its proper divisors (102662743696).

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

64832567664 is a wasteful number, since it uses less digits than its factorization.

64832567664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90157 (or 90151 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 57.

The spelling of 64832567664 in words is "sixty-four billion, eight hundred thirty-two million, five hundred sixty-seven thousand, six hundred sixty-four".