16423564 has 24 divisors (see below), whose sum is σ = 31758048. Its totient is φ = 7392000.

The previous prime is 16423559. The next prime is 16423567. The reversal of 16423564 is 46532461.

It is not an unprimeable number, because it can be changed into a prime (16423567) 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 7 ways as a sum of consecutive naturals, for example, 3687 + ... + 6814.

It is an arithmetic number, because the mean of its divisors is an integer number (1323252).

Almost surely, 2^16423564 is an apocalyptic number.

It is an amenable number.

16423564 is a deficient number, since it is larger than the sum of its proper divisors (15334484).

16423564 is a wasteful number, since it uses less digits than its factorization.

16423564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10545 (or 10543 counting only the distinct ones).

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

The square root of 16423564 is about 4052.5996594779. The cubic root of 16423564 is about 254.1884438685.

The spelling of 16423564 in words is "sixteen million, four hundred twenty-three thousand, five hundred sixty-four".