16324564 has 12 divisors (see below), whose sum is σ = 29553300. Its totient is φ = 7880768.

The previous prime is 16324541. The next prime is 16324597. The reversal of 16324564 is 46542361.

It can be written as a sum of positive squares in 2 ways, for example, as 12744900 + 3579664 = 3570^2 + 1892^2 .

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, 70249 + ... + 70480.

It is an arithmetic number, because the mean of its divisors is an integer number (2462775).

Almost surely, 2^16324564 is an apocalyptic number.

It is an amenable number.

16324564 is a deficient number, since it is larger than the sum of its proper divisors (13228736).

16324564 is a wasteful number, since it uses less digits than its factorization.

16324564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140762 (or 140760 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 16324564 is about 4040.3668150305. The cubic root of 16324564 is about 253.6766712816.

The spelling of 16324564 in words is "sixteen million, three hundred twenty-four thousand, five hundred sixty-four".