64636351112 has 16 divisors (see below), whose sum is σ = 121201520400. Its totient is φ = 32315945680.

The previous prime is 64636351079. The next prime is 64636351121. The reversal of 64636351112 is 21115363646.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152162 + ... + 390417.

It is an arithmetic number, because the mean of its divisors is an integer number (7575095025).

Almost surely, 2^64636351112 is an apocalyptic number.

It is an amenable number.

64636351112 is a deficient number, since it is larger than the sum of its proper divisors (56565169288).

64636351112 is a wasteful number, since it uses less digits than its factorization.

64636351112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557476 (or 557472 counting only the distinct ones).

The product of its digits is 77760, while the sum is 38.

The spelling of 64636351112 in words is "sixty-four billion, six hundred thirty-six million, three hundred fifty-one thousand, one hundred twelve".