64723600118 has 16 divisors (see below), whose sum is σ = 98187701040. Its totient is φ = 31994451456.

The previous prime is 64723600079. The next prime is 64723600127. The reversal of 64723600118 is 81100632746.

It is a super-2 number, since 2×64723600118² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 2107046 + ... + 2137542.

It is an arithmetic number, because the mean of its divisors is an integer number (6136731315).

Almost surely, 2^64723600118 is an apocalyptic number.

64723600118 is a deficient number, since it is larger than the sum of its proper divisors (33464100922).

64723600118 is a wasteful number, since it uses less digits than its factorization.

64723600118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42511.

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 64723600118 in words is "sixty-four billion, seven hundred twenty-three million, six hundred thousand, one hundred eighteen".