163990200 has 96 divisors (see below), whose sum is σ = 554607360. Its totient is φ = 39753600.

The previous prime is 163990171. The next prime is 163990213. The reversal of 163990200 is 2099361.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5824 + ... + 19023.

It is an arithmetic number, because the mean of its divisors is an integer number (5777160).

Almost surely, 2^163990200 is an apocalyptic number.

163990200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163990200 is an abundant number, since it is smaller than the sum of its proper divisors (390617160).

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

163990200 is a wasteful number, since it uses less digits than its factorization.

163990200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24877 (or 24868 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 163990200 is about 12805.8658434328. The cubic root of 163990200 is about 547.3594643570.

The spelling of 163990200 in words is "one hundred sixty-three million, nine hundred ninety thousand, two hundred".