64858966692 has 72 divisors (see below), whose sum is σ = 169160866560. Its totient is φ = 19312824960.

The previous prime is 64858966691. The next prime is 64858966759. The reversal of 64858966692 is 29666985846.

64858966692 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (64858966691) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 452967 + ... + 578702.

It is an arithmetic number, because the mean of its divisors is an integer number (2349456480).

Almost surely, 2^64858966692 is an apocalyptic number.

64858966692 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

64858966692 is an abundant number, since it is smaller than the sum of its proper divisors (104301899868).

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

64858966692 is a wasteful number, since it uses less digits than its factorization.

64858966692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031733 (or 1031718 counting only the distinct ones).

The product of its digits is 268738560, while the sum is 69.

The spelling of 64858966692 in words is "sixty-four billion, eight hundred fifty-eight million, nine hundred sixty-six thousand, six hundred ninety-two".