158307290168 has 32 divisors (see below), whose sum is σ = 301067830800. Its totient is φ = 78023801088.

The previous prime is 158307290137. The next prime is 158307290177. The reversal of 158307290168 is 861092703851.

158307290168 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×158307290168² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 933863 + ... + 1090281.

Almost surely, 2^158307290168 is an apocalyptic number.

It is an amenable number.

158307290168 is a deficient number, since it is larger than the sum of its proper divisors (142760540632).

158307290168 is a wasteful number, since it uses less digits than its factorization.

158307290168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158231 (or 158227 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 50.

The spelling of 158307290168 in words is "one hundred fifty-eight billion, three hundred seven million, two hundred ninety thousand, one hundred sixty-eight".