159968272 has 10 divisors (see below), whose sum is σ = 309938558. Its totient is φ = 79984128.

The previous prime is 159968251. The next prime is 159968359. The reversal of 159968272 is 272869951.

It can be written as a sum of positive squares in only one way, i.e., 144096016 + 15872256 = 12004^2 + 3984^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4998993 + ... + 4999024.

Almost surely, 2^159968272 is an apocalyptic number.

It is an amenable number.

159968272 is a deficient number, since it is larger than the sum of its proper divisors (149970286).

159968272 is an equidigital number, since it uses as much as digits as its factorization.

159968272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9998025 (or 9998019 counting only the distinct ones).

The product of its digits is 544320, while the sum is 49.

The square root of 159968272 is about 12647.8564191724. The cubic root of 159968272 is about 542.8476363459.

The spelling of 159968272 in words is "one hundred fifty-nine million, nine hundred sixty-eight thousand, two hundred seventy-two".