64118936 has 16 divisors (see below), whose sum is σ = 137397840. Its totient is φ = 27479520.

The previous prime is 64118927. The next prime is 64118947. The reversal of 64118936 is 63981146.

It is a super-2 number, since 2×64118936² = 8222475907544192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64118936.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 572435 + ... + 572546.

It is an arithmetic number, because the mean of its divisors is an integer number (8587365).

Almost surely, 2^64118936 is an apocalyptic number.

It is an amenable number.

64118936 is an abundant number, since it is smaller than the sum of its proper divisors (73278904).

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

64118936 is a wasteful number, since it uses less digits than its factorization.

64118936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144994 (or 1144990 counting only the distinct ones).

The product of its digits is 31104, while the sum is 38.

The square root of 64118936 is about 8007.4300496476. The cubic root of 64118936 is about 400.2476300002.

The spelling of 64118936 in words is "sixty-four million, one hundred eighteen thousand, nine hundred thirty-six".