16401164 has 12 divisors (see below), whose sum is σ = 30909984. Its totient is φ = 7569744.

The previous prime is 16401163. The next prime is 16401169. The reversal of 16401164 is 46110461.

It is not an unprimeable number, because it can be changed into a prime (16401163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157652 + ... + 157755.

It is an arithmetic number, because the mean of its divisors is an integer number (2575832).

Almost surely, 2^16401164 is an apocalyptic number.

It is an amenable number.

16401164 is a deficient number, since it is larger than the sum of its proper divisors (14508820).

16401164 is a wasteful number, since it uses less digits than its factorization.

16401164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315424 (or 315422 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 16401164 is about 4049.8350583697. The cubic root of 16401164 is about 254.0728292614.

The spelling of 16401164 in words is "sixteen million, four hundred one thousand, one hundred sixty-four".