159401066656 has 48 divisors (see below), whose sum is σ = 355748349600. Its totient is φ = 69697628928.

The previous prime is 159401066641. The next prime is 159401066689. The reversal of 159401066656 is 656660104951.

It is a happy number.

159401066656 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10075666 + ... + 10091473.

It is an arithmetic number, because the mean of its divisors is an integer number (7411423950).

Almost surely, 2^159401066656 is an apocalyptic number.

159401066656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

159401066656 is an abundant number, since it is smaller than the sum of its proper divisors (196347282944).

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

159401066656 is a wasteful number, since it uses less digits than its factorization.

159401066656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20167181 (or 20167173 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 49.

The spelling of 159401066656 in words is "one hundred fifty-nine billion, four hundred one million, sixty-six thousand, six hundred fifty-six".