64357066268 has 24 divisors (see below), whose sum is σ = 128205383040. Its totient is φ = 27981332720.

The previous prime is 64357066259. The next prime is 64357066283. The reversal of 64357066268 is 86266075346.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31795958 + ... + 31797981.

It is an arithmetic number, because the mean of its divisors is an integer number (5341890960).

Almost surely, 2^64357066268 is an apocalyptic number.

It is an amenable number.

64357066268 is a deficient number, since it is larger than the sum of its proper divisors (63848316772).

64357066268 is a wasteful number, since it uses less digits than its factorization.

64357066268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63593977 (or 63593975 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 53.

The spelling of 64357066268 in words is "sixty-four billion, three hundred fifty-seven million, sixty-six thousand, two hundred sixty-eight".