4401666164 has 12 divisors (see below), whose sum is σ = 8803332384. Its totient is φ = 1886428344.

The previous prime is 4401666133. The next prime is 4401666167. The reversal of 4401666164 is 4616661044.

4401666164 is an admirable number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4401666167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78601154 + ... + 78601209.

It is an arithmetic number, because the mean of its divisors is an integer number (733611032).

Almost surely, 2^4401666164 is an apocalyptic number.

It is an amenable number.

4401666164 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.

4401666164 is a wasteful number, since it uses less digits than its factorization.

4401666164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157202374 (or 157202372 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 4401666164 is about 66345.0538020733. The cubic root of 4401666164 is about 1638.8493520088.

The spelling of 4401666164 in words is "four billion, four hundred one million, six hundred sixty-six thousand, one hundred sixty-four".