158856983 has 8 divisors (see below), whose sum is σ = 165427680. Its totient is φ = 152359200.

The previous prime is 158856977. The next prime is 158857009. The reversal of 158856983 is 389658851.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 158856983 - 2¹⁶ = 158791447 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 (158856923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13760 + ... + 22517.

It is an arithmetic number, because the mean of its divisors is an integer number (20678460).

Almost surely, 2^158856983 is an apocalyptic number.

158856983 is a deficient number, since it is larger than the sum of its proper divisors (6570697).

158856983 is a wasteful number, since it uses less digits than its factorization.

158856983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36457.

The product of its digits is 2073600, while the sum is 53.

The square root of 158856983 is about 12603.8479441796. The cubic root of 158856983 is about 541.5876719937.

The spelling of 158856983 in words is "one hundred fifty-eight million, eight hundred fifty-six thousand, nine hundred eighty-three".