158649936 has 40 divisors (see below), whose sum is σ = 413619360. Its totient is φ = 52396416.

The previous prime is 158649893. The next prime is 158649937. The reversal of 158649936 is 639946851.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158649937) 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 7 ways as a sum of consecutive naturals, for example, 9930 + ... + 20393.

It is an arithmetic number, because the mean of its divisors is an integer number (10340484).

Almost surely, 2^158649936 is an apocalyptic number.

158649936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

158649936 is an abundant number, since it is smaller than the sum of its proper divisors (254969424).

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

158649936 is a wasteful number, since it uses less digits than its factorization.

158649936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30443 (or 30437 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 51.

The square root of 158649936 is about 12595.6316237019. The cubic root of 158649936 is about 541.3522760782.

The spelling of 158649936 in words is "one hundred fifty-eight million, six hundred forty-nine thousand, nine hundred thirty-six".