64670166 has 24 divisors (see below), whose sum is σ = 152857224. Its totient is φ = 19596960.

The previous prime is 64670153. The next prime is 64670233. The reversal of 64670166 is 66107646.

64670166 is a `hidden beast` number, since 646 + 7 + 0 + 1 + 6 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 64670166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 163111 + ... + 163506.

It is an arithmetic number, because the mean of its divisors is an integer number (6369051).

Almost surely, 2^64670166 is an apocalyptic number.

64670166 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

64670166 is an abundant number, since it is smaller than the sum of its proper divisors (88187058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64670166 is a wasteful number, since it uses less digits than its factorization.

64670166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326636 (or 326633 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 64670166 is about 8041.7762963166. The cubic root of 64670166 is about 401.3913340295.

The spelling of 64670166 in words is "sixty-four million, six hundred seventy thousand, one hundred sixty-six".