159679705664 has 14 divisors (see below), whose sum is σ = 316864416054. Its totient is φ = 79839852800.

The previous prime is 159679705621. The next prime is 159679705687. The reversal of 159679705664 is 466507976951.

It can be written as a sum of positive squares in only one way, i.e., 96095040064 + 63584665600 = 309992^2 + 252160^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 159679705664.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1247497637 + ... + 1247497764.

Almost surely, 2^159679705664 is an apocalyptic number.

It is an amenable number.

159679705664 is a deficient number, since it is larger than the sum of its proper divisors (157184710390).

159679705664 is an equidigital number, since it uses as much as digits as its factorization.

159679705664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2494995413 (or 2494995403 counting only the distinct ones).

The product of its (nonzero) digits is 85730400, while the sum is 65.

The spelling of 159679705664 in words is "one hundred fifty-nine billion, six hundred seventy-nine million, seven hundred five thousand, six hundred sixty-four".