64651166 has 8 divisors (see below), whose sum is σ = 97231104. Its totient is φ = 32240800.

The previous prime is 64651141. The next prime is 64651193. The reversal of 64651166 is 66115646.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41435 + ... + 42966.

It is an arithmetic number, because the mean of its divisors is an integer number (12153888).

Almost surely, 2^64651166 is an apocalyptic number.

64651166 is a deficient number, since it is larger than the sum of its proper divisors (32579938).

64651166 is a wasteful number, since it uses less digits than its factorization.

64651166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84786.

The product of its digits is 25920, while the sum is 35.

The square root of 64651166 is about 8040.5948784900. The cubic root of 64651166 is about 401.3520207840.

The spelling of 64651166 in words is "sixty-four million, six hundred fifty-one thousand, one hundred sixty-six".