64205053632 has 84 divisors (see below), whose sum is σ = 187151482440. Its totient is φ = 21038932992.

The previous prime is 64205053621. The next prime is 64205053657. The reversal of 64205053632 is 23635050246.

64205053632 is a `hidden beast` number, since 6 + 42 + 0 + 50 + 536 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 910653 + ... + 978620.

Almost surely, 2^64205053632 is an apocalyptic number.

It is an amenable number.

64205053632 is an abundant number, since it is smaller than the sum of its proper divisors (122946428808).

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

64205053632 is a wasteful number, since it uses less digits than its factorization.

64205053632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1889350 (or 1889337 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The spelling of 64205053632 in words is "sixty-four billion, two hundred five million, fifty-three thousand, six hundred thirty-two".