159121409672 has 32 divisors (see below), whose sum is σ = 305685031680. Its totient is φ = 77606106240.

The previous prime is 159121409659. The next prime is 159121409687. The reversal of 159121409672 is 276904121951.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1895093 + ... + 1977275.

It is an arithmetic number, because the mean of its divisors is an integer number (9552657240).

Almost surely, 2^159121409672 is an apocalyptic number.

It is an amenable number.

159121409672 is a deficient number, since it is larger than the sum of its proper divisors (146563622008).

159121409672 is a wasteful number, since it uses less digits than its factorization.

159121409672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88133 (or 88129 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 47.

The spelling of 159121409672 in words is "one hundred fifty-nine billion, one hundred twenty-one million, four hundred nine thousand, six hundred seventy-two".