64650115 has 16 divisors (see below), whose sum is σ = 79081920. Its totient is φ = 50727040.

The previous prime is 64650107. The next prime is 64650121. The reversal of 64650115 is 51105646.

It is not a de Polignac number, because 64650115 - 2³ = 64650107 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95157 + ... + 95833.

It is an arithmetic number, because the mean of its divisors is an integer number (4942620).

Almost surely, 2^64650115 is an apocalyptic number.

64650115 is a deficient number, since it is larger than the sum of its proper divisors (14431805).

64650115 is a wasteful number, since it uses less digits than its factorization.

64650115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 64650115 is about 8040.5295223636. The cubic root of 64650115 is about 401.3498459160.

The spelling of 64650115 in words is "sixty-four million, six hundred fifty thousand, one hundred fifteen".