3664172166 has 8 divisors (see below), whose sum is σ = 7328344344. Its totient is φ = 1221390720.

The previous prime is 3664172101. The next prime is 3664172207. The reversal of 3664172166 is 6612714663.

3664172166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

3664172166 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

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, 305347675 + ... + 305347686.

It is an arithmetic number, because the mean of its divisors is an integer number (916043043).

Almost surely, 2^3664172166 is an apocalyptic number.

3664172166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3664172166 is a wasteful number, since it uses less digits than its factorization.

3664172166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610695366.

The product of its digits is 217728, while the sum is 42.

The square root of 3664172166 is about 60532.4059161702. The cubic root of 3664172166 is about 1541.6719018447.

The spelling of 3664172166 in words is "three billion, six hundred sixty-four million, one hundred seventy-two thousand, one hundred sixty-six".