64260632196 has 72 divisors (see below), whose sum is σ = 174168933120. Its totient is φ = 19904990976.

The previous prime is 64260632173. The next prime is 64260632243. The reversal of 64260632196 is 69123606246.

64260632196 is a `hidden beast` number, since 6 + 4 + 2 + 6 + 0 + 632 + 1 + 9 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 616216 + ... + 712911.

It is an arithmetic number, because the mean of its divisors is an integer number (2419012960).

Almost surely, 2^64260632196 is an apocalyptic number.

It is an amenable number.

64260632196 is an abundant number, since it is smaller than the sum of its proper divisors (109908300924).

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

64260632196 is a wasteful number, since it uses less digits than its factorization.

64260632196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329233 (or 1329228 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The spelling of 64260632196 in words is "sixty-four billion, two hundred sixty million, six hundred thirty-two thousand, one hundred ninety-six".