159689379864 has 48 divisors (see below), whose sum is σ = 464402791800. Its totient is φ = 45625536768.

The previous prime is 159689379853. The next prime is 159689379901. The reversal of 159689379864 is 468973986951.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67893969 + ... + 67896320.

Almost surely, 2^159689379864 is an apocalyptic number.

159689379864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

159689379864 is an abundant number, since it is smaller than the sum of its proper divisors (304713411936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

159689379864 is a wasteful number, since it uses less digits than its factorization.

159689379864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135790312 (or 135790301 counting only the distinct ones).

The product of its digits is 705438720, while the sum is 75.

The spelling of 159689379864 in words is "one hundred fifty-nine billion, six hundred eighty-nine million, three hundred seventy-nine thousand, eight hundred sixty-four".