163356021333664 has 48 divisors (see below), whose sum is σ = 322281128647296. Its totient is φ = 81506982092800.

The previous prime is 163356021333647. The next prime is 163356021333683. The reversal of 163356021333664 is 466333120653361.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36249699 + ... + 40506205.

It is an arithmetic number, because the mean of its divisors is an integer number (6714190180152).

Almost surely, 2^{163356021333664} is an apocalyptic number.

It is an amenable number.

163356021333664 is a deficient number, since it is larger than the sum of its proper divisors (158925107313632).

163356021333664 is a wasteful number, since it uses less digits than its factorization.

163356021333664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4259029 (or 4259021 counting only the distinct ones).

The product of its (nonzero) digits is 12597120, while the sum is 52.

The spelling of 163356021333664 in words is "one hundred sixty-three trillion, three hundred fifty-six billion, twenty-one million, three hundred thirty-three thousand, six hundred sixty-four".