158266990 has 32 divisors (see below), whose sum is σ = 327674304. Its totient is φ = 53913600.

The previous prime is 158266939. The next prime is 158267003. The reversal of 158266990 is 99662851.

It is a self number, because there is not a number n which added to its sum of digits gives 158266990.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3790 + ... + 18190.

It is an arithmetic number, because the mean of its divisors is an integer number (10239822).

Almost surely, 2^158266990 is an apocalyptic number.

158266990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

158266990 is an abundant number, since it is smaller than the sum of its proper divisors (169407314).

158266990 is a wasteful number, since it uses less digits than its factorization.

158266990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14572.

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 158266990 is about 12580.4208991591. The cubic root of 158266990 is about 540.9163567681.

The spelling of 158266990 in words is "one hundred fifty-eight million, two hundred sixty-six thousand, nine hundred ninety".