158268188 has 12 divisors (see below), whose sum is σ = 298274760. Its totient is φ = 73046832.

The previous prime is 158268169. The next prime is 158268191. The reversal of 158268188 is 881862851.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1521758 + ... + 1521861.

It is an arithmetic number, because the mean of its divisors is an integer number (24856230).

Almost surely, 2^158268188 is an apocalyptic number.

It is an amenable number.

158268188 is a deficient number, since it is larger than the sum of its proper divisors (140006572).

158268188 is a wasteful number, since it uses less digits than its factorization.

158268188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3043636 (or 3043634 counting only the distinct ones).

The product of its digits is 245760, while the sum is 47.

The square root of 158268188 is about 12580.4685127383. The cubic root of 158268188 is about 540.9177215846.

The spelling of 158268188 in words is "one hundred fifty-eight million, two hundred sixty-eight thousand, one hundred eighty-eight".