64216634631562 has 64 divisors (see below), whose sum is σ = 110735792640000. Its totient is φ = 27359411264640.

The previous prime is 64216634631551. The next prime is 64216634631581. The reversal of 64216634631562 is 26513643661246.

64216634631562 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 5769164737 + ... + 5769175867.

It is an arithmetic number, because the mean of its divisors is an integer number (1730246760000).

Almost surely, 2^{64216634631562} is an apocalyptic number.

64216634631562 is a deficient number, since it is larger than the sum of its proper divisors (46519158008438).

64216634631562 is a wasteful number, since it uses less digits than its factorization.

64216634631562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14891.

The product of its digits is 22394880, while the sum is 55.

The spelling of 64216634631562 in words is "sixty-four trillion, two hundred sixteen billion, six hundred thirty-four million, six hundred thirty-one thousand, five hundred sixty-two".