159990800 has 120 divisors (see below), whose sum is σ = 400391040. Its totient is φ = 61401600.

The previous prime is 159990799. The next prime is 159990821. The reversal of 159990800 is 8099951.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1927559 + ... + 1927641.

It is an arithmetic number, because the mean of its divisors is an integer number (3336592).

Almost surely, 2^159990800 is an apocalyptic number.

159990800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 159990800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200195520).

159990800 is an abundant number, since it is smaller than the sum of its proper divisors (240400240).

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

159990800 is a wasteful number, since it uses less digits than its factorization.

159990800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 41.

The square root of 159990800 is about 12648.7469735148. The cubic root of 159990800 is about 542.8731178520.

It can be divided in two parts, 159990 and 800, that multiplied together give a triangular number (127992000 = T₁₅₉₉₉).

The spelling of 159990800 in words is "one hundred fifty-nine million, nine hundred ninety thousand, eight hundred".