64118336 has 28 divisors (see below), whose sum is σ = 130678428. Its totient is φ = 31191552.

The previous prime is 64118321. The next prime is 64118389. The reversal of 64118336 is 63381146.

It can be written as a sum of positive squares in 2 ways, for example, as 55591936 + 8526400 = 7456^2 + 2920^2 .

It is a super-2 number, since 2×64118336² = 8222322022817792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 11171 + ... + 15906.

Almost surely, 2^64118336 is an apocalyptic number.

It is an amenable number.

64118336 is an abundant number, since it is smaller than the sum of its proper divisors (66560092).

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

64118336 is a wasteful number, since it uses less digits than its factorization.

64118336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27126 (or 27116 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 64118336 is about 8007.3925843560. The cubic root of 64118336 is about 400.2463815425.

It can be divided in two parts, 64 and 118336, that multiplied together give a square (7573504 = 2752²).

The spelling of 64118336 in words is "sixty-four million, one hundred eighteen thousand, three hundred thirty-six".