159665350991460 has 48 divisors (see below), whose sum is σ = 447340145466816. Its totient is φ = 42551030484352.

The previous prime is 159665350991437. The next prime is 159665350991477. The reversal of 159665350991460 is 64199053566951.

It is a super-2 number, since 2×159665350991460² (a number of 29 digits) contains 22 as substring.

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, 824791374 + ... + 824984933.

It is an arithmetic number, because the mean of its divisors is an integer number (9319586363892).

Almost surely, 2^{159665350991460} is an apocalyptic number.

159665350991460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

159665350991460 is an abundant number, since it is smaller than the sum of its proper divisors (287674794475356).

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

159665350991460 is a wasteful number, since it uses less digits than its factorization.

159665350991460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649777932 (or 1649777930 counting only the distinct ones).

The product of its (nonzero) digits is 236196000, while the sum is 69.

The spelling of 159665350991460 in words is "one hundred fifty-nine trillion, six hundred sixty-five billion, three hundred fifty million, nine hundred ninety-one thousand, four hundred sixty".