163200921388 has 12 divisors (see below), whose sum is σ = 285805769200. Its totient is φ = 81542130192.

The previous prime is 163200921343. The next prime is 163200921409. The reversal of 163200921388 is 883129002361.

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, 14576331 + ... + 14587522.

Almost surely, 2^163200921388 is an apocalyptic number.

It is an amenable number.

163200921388 is a deficient number, since it is larger than the sum of its proper divisors (122604847812).

163200921388 is a wasteful number, since it uses less digits than its factorization.

163200921388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29165256 (or 29165254 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The spelling of 163200921388 in words is "one hundred sixty-three billion, two hundred million, nine hundred twenty-one thousand, three hundred eighty-eight".