163200259920 has 40 divisors (see below), whose sum is σ = 505920806496. Its totient is φ = 43520069248.

The previous prime is 163200259907. The next prime is 163200259921. The reversal of 163200259920 is 29952002361.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163200259921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340000302 + ... + 340000781.

Almost surely, 2^163200259920 is an apocalyptic number.

163200259920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163200259920 is an abundant number, since it is smaller than the sum of its proper divisors (342720546576).

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

163200259920 is a wasteful number, since it uses less digits than its factorization.

163200259920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680001099 (or 680001093 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The spelling of 163200259920 in words is "one hundred sixty-three billion, two hundred million, two hundred fifty-nine thousand, nine hundred twenty".