158993800 has 48 divisors (see below), whose sum is σ = 422472960. Its totient is φ = 54511680.

The previous prime is 158993759. The next prime is 158993801. The reversal of 158993800 is 8399851.

It is not an unprimeable number, because it can be changed into a prime (158993801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55384 + ... + 58183.

It is an arithmetic number, because the mean of its divisors is an integer number (8801520).

Almost surely, 2^158993800 is an apocalyptic number.

158993800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158993800 is an abundant number, since it is smaller than the sum of its proper divisors (263479160).

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

158993800 is a wasteful number, since it uses less digits than its factorization.

158993800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113590 (or 113581 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 158993800 is about 12609.2743645303. The cubic root of 158993800 is about 541.7431097900.

The spelling of 158993800 in words is "one hundred fifty-eight million, nine hundred ninety-three thousand, eight hundred".