159678646272 has 120 divisors (see below), whose sum is σ = 476948622150. Its totient is φ = 53226160128.

The previous prime is 159678646271. The next prime is 159678646319. The reversal of 159678646272 is 272646876951.

159678646272 is a `hidden beast` number, since 1 + 5 + 96 + 7 + 86 + 462 + 7 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 159565095936 + 113550336 = 399456^2 + 10656^2 .

It is not an unprimeable number, because it can be changed into a prime (159678646271) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 315397 + ... + 647172.

Almost surely, 2^159678646272 is an apocalyptic number.

159678646272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

159678646272 is an abundant number, since it is smaller than the sum of its proper divisors (317269975878).

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

159678646272 is an frugal number, since it uses more digits than its factorization.

159678646272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962603 (or 962574 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 63.

The spelling of 159678646272 in words is "one hundred fifty-nine billion, six hundred seventy-eight million, six hundred forty-six thousand, two hundred seventy-two".