64615106 has 8 divisors (see below), whose sum is σ = 96983040. Its totient is φ = 32287428.

The previous prime is 64615063. The next prime is 64615151. The reversal of 64615106 is 60151646.

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

It is a super-2 number, since 2×64615106² = 8350223846782472, which contains 22 as substring.

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, 5666 + ... + 12701.

It is an arithmetic number, because the mean of its divisors is an integer number (12122880).

Almost surely, 2^64615106 is an apocalyptic number.

64615106 is a deficient number, since it is larger than the sum of its proper divisors (32367934).

64615106 is a wasteful number, since it uses less digits than its factorization.

64615106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20128.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 64615106 is about 8038.3521943244. The cubic root of 64615106 is about 401.2773871958.

The spelling of 64615106 in words is "sixty-four million, six hundred fifteen thousand, one hundred six".