158399443675 has 24 divisors (see below), whose sum is σ = 225548688960. Its totient is φ = 109136455200.

The previous prime is 158399443633. The next prime is 158399443687. The reversal of 158399443675 is 576344993851.

It is not a de Polignac number, because 158399443675 - 2²⁵ = 158365889243 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15152617 + ... + 15163066.

It is an arithmetic number, because the mean of its divisors is an integer number (9397862040).

Almost surely, 2^158399443675 is an apocalyptic number.

158399443675 is a deficient number, since it is larger than the sum of its proper divisors (67149245285).

158399443675 is a wasteful number, since it uses less digits than its factorization.

158399443675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30315723 (or 30315718 counting only the distinct ones).

The product of its digits is 97977600, while the sum is 64.

The spelling of 158399443675 in words is "one hundred fifty-eight billion, three hundred ninety-nine million, four hundred forty-three thousand, six hundred seventy-five".