159705401644 has 48 divisors (see below), whose sum is σ = 290113442080. Its totient is φ = 76871047680.

The previous prime is 159705401627. The next prime is 159705401671. The reversal of 159705401644 is 446104507951.

It is a junction number, because it is equal to n+sod(n) for n = 159705401594 and 159705401603.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20952154 + ... + 20959774.

Almost surely, 2^159705401644 is an apocalyptic number.

It is an amenable number.

159705401644 is a deficient number, since it is larger than the sum of its proper divisors (130408040436).

159705401644 is a wasteful number, since it uses less digits than its factorization.

159705401644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9410 (or 9408 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 159705401644 in words is "one hundred fifty-nine billion, seven hundred five million, four hundred one thousand, six hundred forty-four".