158934866 has 4 divisors (see below), whose sum is σ = 238402302. Its totient is φ = 79467432.

The previous prime is 158934859. The next prime is 158934889. The reversal of 158934866 is 668439851.

158934866 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 158886025 + 48841 = 12605^2 + 221^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39733715 + ... + 39733718.

Almost surely, 2^158934866 is an apocalyptic number.

158934866 is a deficient number, since it is larger than the sum of its proper divisors (79467436).

158934866 is an equidigital number, since it uses as much as digits as its factorization.

158934866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79467435.

The product of its digits is 1244160, while the sum is 50.

The square root of 158934866 is about 12606.9372172626. The cubic root of 158934866 is about 541.6761658084.

The spelling of 158934866 in words is "one hundred fifty-eight million, nine hundred thirty-four thousand, eight hundred sixty-six".