64660166 has 8 divisors (see below), whose sum is σ = 97301064. Its totient is φ = 32226480.

The previous prime is 64660151. The next prime is 64660177. The reversal of 64660166 is 66106646.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51020 + ... + 52271.

It is an arithmetic number, because the mean of its divisors is an integer number (12162633).

Almost surely, 2^64660166 is an apocalyptic number.

64660166 is a deficient number, since it is larger than the sum of its proper divisors (32640898).

64660166 is a wasteful number, since it uses less digits than its factorization.

64660166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103606.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 64660166 is about 8041.1545190974. The cubic root of 64660166 is about 401.3706438077.

The spelling of 64660166 in words is "sixty-four million, six hundred sixty thousand, one hundred sixty-six".