64066166 has 32 divisors (see below), whose sum is σ = 105587712. Its totient is φ = 29030400.

The previous prime is 64066139. The next prime is 64066193. The reversal of 64066166 is 66166046.

It is an interprime number because it is at equal distance from previous prime (64066139) and next prime (64066193).

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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, 159566 + ... + 159966.

It is an arithmetic number, because the mean of its divisors is an integer number (3299616).

Almost surely, 2^64066166 is an apocalyptic number.

64066166 is a deficient number, since it is larger than the sum of its proper divisors (41521546).

64066166 is a wasteful number, since it uses less digits than its factorization.

64066166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584.

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

The square root of 64066166 is about 8004.1343067192. The cubic root of 64066166 is about 400.1377983569.

The spelling of 64066166 in words is "sixty-four million, sixty-six thousand, one hundred sixty-six".