159665449327608 has 64 divisors (see below), whose sum is σ = 456211281404160. Its totient is φ = 45616271475456.

The previous prime is 159665449327591. The next prime is 159665449327627. The reversal of 159665449327608 is 806723944566951.

159665449327608 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×159665449327608² (a number of 29 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (75) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 159665449327608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22128510 + ... + 28442957.

It is an arithmetic number, because the mean of its divisors is an integer number (7128301271940).

It is a 1-persistent number, because it is pandigital, but 2⋅159665449327608 = 319330898655216 is not.

Almost surely, 2^{159665449327608} is an apocalyptic number.

It is an amenable number.

159665449327608 is an abundant number, since it is smaller than the sum of its proper divisors (296545832076552).

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

159665449327608 is a wasteful number, since it uses less digits than its factorization.

159665449327608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50590276 (or 50590272 counting only the distinct ones).

The product of its (nonzero) digits is 2351462400, while the sum is 75.

The spelling of 159665449327608 in words is "one hundred fifty-nine trillion, six hundred sixty-five billion, four hundred forty-nine million, three hundred twenty-seven thousand, six hundred eight".