158389968 has 60 divisors (see below), whose sum is σ = 449769824. Its totient is φ = 47995200.

The previous prime is 158389963. The next prime is 158389993. The reversal of 158389968 is 869983851.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158389963) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 7828 + ... + 19443.

Almost surely, 2^158389968 is an apocalyptic number.

It is an amenable number.

158389968 is an abundant number, since it is smaller than the sum of its proper divisors (291379856).

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

158389968 is a wasteful number, since it uses less digits than its factorization.

158389968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27304 (or 27287 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 57.

The square root of 158389968 is about 12585.3076243690. The cubic root of 158389968 is about 541.0564230145.

The spelling of 158389968 in words is "one hundred fifty-eight million, three hundred eighty-nine thousand, nine hundred sixty-eight".