158207868 has 108 divisors (see below), whose sum is σ = 501064200. Its totient is φ = 41719104.

The previous prime is 158207867. The next prime is 158207887. The reversal of 158207868 is 868702851.

158207868 is a `hidden beast` number, since 1 + 582 + 0 + 7 + 8 + 68 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158207867) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 19483 + ... + 26381.

Almost surely, 2^158207868 is an apocalyptic number.

158207868 is a gapful number since it is divisible by the number (18) 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 158207868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250532100).

158207868 is an abundant number, since it is smaller than the sum of its proper divisors (342856332).

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

158207868 is a wasteful number, since it uses less digits than its factorization.

158207868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6936 (or 6924 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The square root of 158207868 is about 12578.0709172750. The cubic root of 158207868 is about 540.8489937217.

The spelling of 158207868 in words is "one hundred fifty-eight million, two hundred seven thousand, eight hundred sixty-eight".