163244864 has 28 divisors (see below), whose sum is σ = 326428608. Its totient is φ = 80995200.

The previous prime is 163244843. The next prime is 163244867. The reversal of 163244864 is 468442361.

163244864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163244867) 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, 1352 + ... + 18119.

Almost surely, 2^163244864 is an apocalyptic number.

It is an amenable number.

163244864 is a deficient number, since it is larger than the sum of its proper divisors (163183744).

163244864 is a wasteful number, since it uses less digits than its factorization.

163244864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19614 (or 19604 counting only the distinct ones).

The product of its digits is 110592, while the sum is 38.

The square root of 163244864 is about 12776.7313503885. The cubic root of 163244864 is about 546.5289546698.

The spelling of 163244864 in words is "one hundred sixty-three million, two hundred forty-four thousand, eight hundred sixty-four".