158642968 has 32 divisors (see below), whose sum is σ = 329080320. Its totient is φ = 71092000.

The previous prime is 158642959. The next prime is 158642971. The reversal of 158642968 is 869246851.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6448 + ... + 18943.

It is an arithmetic number, because the mean of its divisors is an integer number (10283760).

Almost surely, 2^158642968 is an apocalyptic number.

It is an amenable number.

158642968 is an abundant number, since it is smaller than the sum of its proper divisors (170437352).

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

158642968 is a wasteful number, since it uses less digits than its factorization.

158642968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25479 (or 25475 counting only the distinct ones).

The product of its digits is 829440, while the sum is 49.

The square root of 158642968 is about 12595.3550168306. The cubic root of 158642968 is about 541.3443504570.

The spelling of 158642968 in words is "one hundred fifty-eight million, six hundred forty-two thousand, nine hundred sixty-eight".