64567952906 has 16 divisors (see below), whose sum is σ = 97795184640. Its totient is φ = 31970499120.

The previous prime is 64567952899. The next prime is 64567952941. The reversal of 64567952906 is 60925976546.

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, 97526 + ... + 372353.

It is an arithmetic number, because the mean of its divisors is an integer number (6112199040).

Almost surely, 2^64567952906 is an apocalyptic number.

64567952906 is a deficient number, since it is larger than the sum of its proper divisors (33227231734).

64567952906 is a wasteful number, since it uses less digits than its factorization.

64567952906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470549.

The product of its (nonzero) digits is 24494400, while the sum is 59.

The spelling of 64567952906 in words is "sixty-four billion, five hundred sixty-seven million, nine hundred fifty-two thousand, nine hundred six".