158799860 has 24 divisors (see below), whose sum is σ = 341236896. Its totient is φ = 62042400.

The previous prime is 158799841. The next prime is 158799869. The reversal of 158799860 is 68997851.

158799860 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

158799860 is strictly pandigital in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158799869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91466 + ... + 93185.

It is an arithmetic number, because the mean of its divisors is an integer number (14218204).

Almost surely, 2^158799860 is an apocalyptic number.

158799860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158799860 is an abundant number, since it is smaller than the sum of its proper divisors (182437036).

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

158799860 is a wasteful number, since it uses less digits than its factorization.

158799860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184703 (or 184701 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 53.

The square root of 158799860 is about 12601.5816467616. The cubic root of 158799860 is about 541.5227481422.

The spelling of 158799860 in words is "one hundred fifty-eight million, seven hundred ninety-nine thousand, eight hundred sixty".