16242564 has 24 divisors (see below), whose sum is σ = 40815040. Its totient is φ = 4997664.

The previous prime is 16242563. The next prime is 16242607. The reversal of 16242564 is 46524261.

It is not an unprimeable number, because it can be changed into a prime (16242563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51904 + ... + 52215.

Almost surely, 2^16242564 is an apocalyptic number.

It is an amenable number.

16242564 is an abundant number, since it is smaller than the sum of its proper divisors (24572476).

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

16242564 is a wasteful number, since it uses less digits than its factorization.

16242564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104139 (or 104137 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 16242564 is about 4030.2064463251. The cubic root of 16242564 is about 253.2512099151.

The spelling of 16242564 in words is "sixteen million, two hundred forty-two thousand, five hundred sixty-four".