163937892 has 12 divisors (see below), whose sum is σ = 382521776. Its totient is φ = 54645960.

The previous prime is 163937881. The next prime is 163937897. The reversal of 163937892 is 298739361.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (163937897) 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, 6830734 + ... + 6830757.

Almost surely, 2^163937892 is an apocalyptic number.

163937892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

163937892 is an abundant number, since it is smaller than the sum of its proper divisors (218583884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163937892 is a wasteful number, since it uses less digits than its factorization.

163937892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13661498 (or 13661496 counting only the distinct ones).

The product of its digits is 489888, while the sum is 48.

The square root of 163937892 is about 12803.8233352386. The cubic root of 163937892 is about 547.3012610343.

The spelling of 163937892 in words is "one hundred sixty-three million, nine hundred thirty-seven thousand, eight hundred ninety-two".