64328612612 has 96 divisors (see below), whose sum is σ = 132688160640. Its totient is φ = 26961592320.

The previous prime is 64328612597. The next prime is 64328612617. The reversal of 64328612612 is 21621682346.

64328612612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

64328612612 is a modest number, since divided by 612612 gives 64328 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 64328612612.

It is not an unprimeable number, because it can be changed into a prime (64328612617) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13810988 + ... + 13815644.

It is an arithmetic number, because the mean of its divisors is an integer number (1382168340).

Almost surely, 2^64328612612 is an apocalyptic number.

It is an amenable number.

64328612612 is an abundant number, since it is smaller than the sum of its proper divisors (68359548028).

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

64328612612 is a wasteful number, since it uses less digits than its factorization.

64328612612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5061 (or 5059 counting only the distinct ones).

The product of its digits is 165888, while the sum is 41.

The spelling of 64328612612 in words is "sixty-four billion, three hundred twenty-eight million, six hundred twelve thousand, six hundred twelve".