158377866 has 16 divisors (see below), whose sum is σ = 318259488. Its totient is φ = 52542000.

The previous prime is 158377859. The next prime is 158377897. The reversal of 158377866 is 668773851.

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, 61285 + ... + 63816.

It is an arithmetic number, because the mean of its divisors is an integer number (19891218).

Almost surely, 2^158377866 is an apocalyptic number.

158377866 is an abundant number, since it is smaller than the sum of its proper divisors (159881622).

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

158377866 is a wasteful number, since it uses less digits than its factorization.

158377866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125317.

The product of its digits is 1693440, while the sum is 51.

The square root of 158377866 is about 12584.8268164484. The cubic root of 158377866 is about 541.0426426139.

The spelling of 158377866 in words is "one hundred fifty-eight million, three hundred seventy-seven thousand, eight hundred sixty-six".