163020664 has 16 divisors (see below), whose sum is σ = 306333720. Its totient is φ = 81331680.

The previous prime is 163020653. The next prime is 163020673. The reversal of 163020664 is 466020361.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18414 + ... + 25789.

Almost surely, 2^163020664 is an apocalyptic number.

It is an amenable number.

163020664 is a deficient number, since it is larger than the sum of its proper divisors (143313056).

163020664 is a wasteful number, since it uses less digits than its factorization.

163020664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44670 (or 44666 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 163020664 is about 12767.9545738540. The cubic root of 163020664 is about 546.2786396391.

The spelling of 163020664 in words is "one hundred sixty-three million, twenty thousand, six hundred sixty-four".