163707564 has 12 divisors (see below), whose sum is σ = 381984344. Its totient is φ = 54569184.

The previous prime is 163707563. The next prime is 163707589. The reversal of 163707564 is 465707361.

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 (163707563) 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, 6821137 + ... + 6821160.

Almost surely, 2^163707564 is an apocalyptic number.

It is an amenable number.

163707564 is an abundant number, since it is smaller than the sum of its proper divisors (218276780).

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

163707564 is a wasteful number, since it uses less digits than its factorization.

163707564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13642304 (or 13642302 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 163707564 is about 12794.8256729039. The cubic root of 163707564 is about 547.0448267514.

The spelling of 163707564 in words is "one hundred sixty-three million, seven hundred seven thousand, five hundred sixty-four".