64577418699432 has 32 divisors (see below), whose sum is σ = 161662008967200. Its totient is φ = 21496677937344.

The previous prime is 64577418699427. The next prime is 64577418699457. The reversal of 64577418699432 is 23499681477546.

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, 1820500383 + ... + 1820535854.

It is an arithmetic number, because the mean of its divisors is an integer number (5051937780225).

Almost surely, 2^{64577418699432} is an apocalyptic number.

It is an amenable number.

64577418699432 is an abundant number, since it is smaller than the sum of its proper divisors (97084590267768).

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

64577418699432 is a wasteful number, since it uses less digits than its factorization.

64577418699432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3641036985 (or 3641036981 counting only the distinct ones).

The product of its digits is 2194698240, while the sum is 75.

The spelling of 64577418699432 in words is "sixty-four trillion, five hundred seventy-seven billion, four hundred eighteen million, six hundred ninety-nine thousand, four hundred thirty-two".