158018668 has 12 divisors (see below), whose sum is σ = 291087160. Its totient is φ = 74850912.

The previous prime is 158018657. The next prime is 158018669. The reversal of 158018668 is 866810851.

It is a happy number.

158018668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (158018669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1039521 + ... + 1039672.

Almost surely, 2^158018668 is an apocalyptic number.

It is an amenable number.

158018668 is a deficient number, since it is larger than the sum of its proper divisors (133068492).

158018668 is a wasteful number, since it uses less digits than its factorization.

158018668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2079216 (or 2079214 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 43.

The square root of 158018668 is about 12570.5476412128. The cubic root of 158018668 is about 540.6333081820.

The spelling of 158018668 in words is "one hundred fifty-eight million, eighteen thousand, six hundred sixty-eight".