64500602872 has 16 divisors (see below), whose sum is σ = 121369021200. Its totient is φ = 32135530560.

The previous prime is 64500602839. The next prime is 64500602899. The reversal of 64500602872 is 27820600546.

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 3 ways as a sum of consecutive naturals, for example, 14343972 + ... + 14348467.

It is an arithmetic number, because the mean of its divisors is an integer number (7585563825).

Almost surely, 2^64500602872 is an apocalyptic number.

It is an amenable number.

64500602872 is a deficient number, since it is larger than the sum of its proper divisors (56868418328).

64500602872 is a wasteful number, since it uses less digits than its factorization.

64500602872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28692726 (or 28692722 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 64500602872 in words is "sixty-four billion, five hundred million, six hundred two thousand, eight hundred seventy-two".