159186493056 has 64 divisors (see below), whose sum is σ = 441223456320. Its totient is φ = 50755110912.

The previous prime is 159186493049. The next prime is 159186493073. The reversal of 159186493056 is 650394681951.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 159186492987 and 159186493005.

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, 9003085 + ... + 9020748.

It is an arithmetic number, because the mean of its divisors is an integer number (6894116505).

Almost surely, 2^159186493056 is an apocalyptic number.

159186493056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

159186493056 is an abundant number, since it is smaller than the sum of its proper divisors (282036963264).

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

159186493056 is a wasteful number, since it uses less digits than its factorization.

159186493056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18023873 (or 18023861 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 57.

The spelling of 159186493056 in words is "one hundred fifty-nine billion, one hundred eighty-six million, four hundred ninety-three thousand, fifty-six".