163423264 has 24 divisors (see below), whose sum is σ = 324698220. Its totient is φ = 80960256.

The previous prime is 163423231. The next prime is 163423279. The reversal of 163423264 is 462324361.

It can be written as a sum of positive squares in 2 ways, for example, as 163328400 + 94864 = 12780^2 + 308^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19939 + ... + 26914.

Almost surely, 2^163423264 is an apocalyptic number.

It is an amenable number.

163423264 is a deficient number, since it is larger than the sum of its proper divisors (161274956).

163423264 is a wasteful number, since it uses less digits than its factorization.

163423264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46972 (or 46964 counting only the distinct ones).

The product of its digits is 20736, while the sum is 31.

The square root of 163423264 is about 12783.7108853415. The cubic root of 163423264 is about 546.7279711803.

The spelling of 163423264 in words is "one hundred sixty-three million, four hundred twenty-three thousand, two hundred sixty-four".