158358168 has 48 divisors (see below), whose sum is σ = 442728000. Its totient is φ = 51082560.

The previous prime is 158358157. The next prime is 158358169. The reversal of 158358168 is 861853851.

158358168 is a `hidden beast` number, since 1 + 5 + 8 + 3 + 581 + 68 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158358169) 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, 33243 + ... + 37706.

It is an arithmetic number, because the mean of its divisors is an integer number (9223500).

Almost surely, 2^158358168 is an apocalyptic number.

158358168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

158358168 is an abundant number, since it is smaller than the sum of its proper divisors (284369832).

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

158358168 is a wasteful number, since it uses less digits than its factorization.

158358168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70992 (or 70985 counting only the distinct ones).

The product of its digits is 230400, while the sum is 45.

The square root of 158358168 is about 12584.0441830121. The cubic root of 158358168 is about 541.0202112391.

The spelling of 158358168 in words is "one hundred fifty-eight million, three hundred fifty-eight thousand, one hundred sixty-eight".