159696004921 has 8 divisors (see below), whose sum is σ = 160340083200. Its totient is φ = 159052330080.

The previous prime is 159696004901. The next prime is 159696004927. The reversal of 159696004921 is 129400696951.

It is a happy number.

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 159696004921 - 2²⁹ = 159159134009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159696004927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 705360 + ... + 903838.

It is an arithmetic number, because the mean of its divisors is an integer number (20042510400).

Almost surely, 2^159696004921 is an apocalyptic number.

It is an amenable number.

159696004921 is a deficient number, since it is larger than the sum of its proper divisors (644078279).

159696004921 is a wasteful number, since it uses less digits than its factorization.

159696004921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201719.

The product of its (nonzero) digits is 1049760, while the sum is 52.

The spelling of 159696004921 in words is "one hundred fifty-nine billion, six hundred ninety-six million, four thousand, nine hundred twenty-one".