16133564 has 12 divisors (see below), whose sum is σ = 28551600. Its totient is φ = 7975968.

The previous prime is 16133563. The next prime is 16133569. The reversal of 16133564 is 46533161.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16133563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22304 + ... + 23015.

It is an arithmetic number, because the mean of its divisors is an integer number (2379300).

Almost surely, 2^16133564 is an apocalyptic number.

It is an amenable number.

16133564 is a deficient number, since it is larger than the sum of its proper divisors (12418036).

16133564 is a wasteful number, since it uses less digits than its factorization.

16133564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45412 (or 45410 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

The square root of 16133564 is about 4016.6608022087. The cubic root of 16133564 is about 252.6834349844.

The spelling of 16133564 in words is "sixteen million, one hundred thirty-three thousand, five hundred sixty-four".