16395564 has 12 divisors (see below), whose sum is σ = 38256344. Its totient is φ = 5465184.

The previous prime is 16395563. The next prime is 16395593. The reversal of 16395564 is 46559361.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (16395563) 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, 683137 + ... + 683160.

Almost surely, 2^16395564 is an apocalyptic number.

It is an amenable number.

16395564 is an abundant number, since it is smaller than the sum of its proper divisors (21860780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16395564 is a wasteful number, since it uses less digits than its factorization.

16395564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366304 (or 1366302 counting only the distinct ones).

The product of its digits is 97200, while the sum is 39.

The square root of 16395564 is about 4049.1436131607. The cubic root of 16395564 is about 254.0439091635.

The spelling of 16395564 in words is "sixteen million, three hundred ninety-five thousand, five hundred sixty-four".