159993792 has 140 divisors (see below), whose sum is σ = 542147760. Its totient is φ = 45702144.

The previous prime is 159993761. The next prime is 159993829. The reversal of 159993792 is 297399951.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 34084 + ... + 38492.

It is an arithmetic number, because the mean of its divisors is an integer number (3872484).

Almost surely, 2^159993792 is an apocalyptic number.

159993792 is a gapful number since it is divisible by the number (12) 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 159993792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271073880).

159993792 is an abundant number, since it is smaller than the sum of its proper divisors (382153968).

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

159993792 is an equidigital number, since it uses as much as digits as its factorization.

159993792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4440 (or 4421 counting only the distinct ones).

The product of its digits is 1377810, while the sum is 54.

The square root of 159993792 is about 12648.8652455467. The cubic root of 159993792 is about 542.8765019346.

It can be divided in two parts, 15999 and 3792, that added together give a palindrome (19791).

The spelling of 159993792 in words is "one hundred fifty-nine million, nine hundred ninety-three thousand, seven hundred ninety-two".