158606983 has 4 divisors (see below), whose sum is σ = 162475488. Its totient is φ = 154738480.

The previous prime is 158606977. The next prime is 158606993. The reversal of 158606983 is 389606851.

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

It is a cyclic number.

It is not a de Polignac number, because 158606983 - 2⁵ = 158606951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158606933) 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 3 ways as a sum of consecutive naturals, for example, 1934191 + ... + 1934272.

It is an arithmetic number, because the mean of its divisors is an integer number (40618872).

Almost surely, 2^158606983 is an apocalyptic number.

158606983 is a deficient number, since it is larger than the sum of its proper divisors (3868505).

158606983 is an equidigital number, since it uses as much as digits as its factorization.

158606983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3868504.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 158606983 is about 12593.9264330073. The cubic root of 158606983 is about 541.3034162978.

The spelling of 158606983 in words is "one hundred fifty-eight million, six hundred six thousand, nine hundred eighty-three".