159791218426 has 48 divisors (see below), whose sum is σ = 284850432000. Its totient is φ = 67001651808.

The previous prime is 159791218387. The next prime is 159791218471. The reversal of 159791218426 is 624812197951.

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, 22100580 + ... + 22107808.

It is an arithmetic number, because the mean of its divisors is an integer number (5934384000).

Almost surely, 2^159791218426 is an apocalyptic number.

159791218426 is a deficient number, since it is larger than the sum of its proper divisors (125059213574).

159791218426 is a wasteful number, since it uses less digits than its factorization.

159791218426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12091 (or 12084 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 55.

The spelling of 159791218426 in words is "one hundred fifty-nine billion, seven hundred ninety-one million, two hundred eighteen thousand, four hundred twenty-six".