159691037896 has 24 divisors (see below), whose sum is σ = 324224780130. Its totient is φ = 73703555328.

The previous prime is 159691037867. The next prime is 159691037917. The reversal of 159691037896 is 698730196951.

It is a happy number.

159691037896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 44220201796 + 115470836100 = 210286^2 + 339810^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59055985 + ... + 59058688.

Almost surely, 2^159691037896 is an apocalyptic number.

It is an amenable number.

159691037896 is an abundant number, since it is smaller than the sum of its proper divisors (164533742234).

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

159691037896 is a wasteful number, since it uses less digits than its factorization.

159691037896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118114705 (or 118114688 counting only the distinct ones).

The product of its (nonzero) digits is 22044960, while the sum is 64.

The spelling of 159691037896 in words is "one hundred fifty-nine billion, six hundred ninety-one million, thirty-seven thousand, eight hundred ninety-six".