64118315 has 8 divisors (see below), whose sum is σ = 76990128. Its totient is φ = 51262560.

The previous prime is 64118303. The next prime is 64118317. The reversal of 64118315 is 51381146.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-64118315 is a prime.

It is a super-2 number, since 2×64118315² = 8222316636878450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64118317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8105 + ... + 13925.

It is an arithmetic number, because the mean of its divisors is an integer number (9623766).

Almost surely, 2^64118315 is an apocalyptic number.

64118315 is a deficient number, since it is larger than the sum of its proper divisors (12871813).

64118315 is a wasteful number, since it uses less digits than its factorization.

64118315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8029.

The product of its digits is 2880, while the sum is 29.

The square root of 64118315 is about 8007.3912730677. The cubic root of 64118315 is about 400.2463378464.

The spelling of 64118315 in words is "sixty-four million, one hundred eighteen thousand, three hundred fifteen".