159097768 has 8 divisors (see below), whose sum is σ = 298308330. Its totient is φ = 79548880.

The previous prime is 159097711. The next prime is 159097793. The reversal of 159097768 is 867790951.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 110628324 + 48469444 = 10518^2 + 6962^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9943603 + ... + 9943618.

Almost surely, 2^159097768 is an apocalyptic number.

It is an amenable number.

159097768 is a deficient number, since it is larger than the sum of its proper divisors (139210562).

159097768 is a wasteful number, since it uses less digits than its factorization.

159097768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19887227 (or 19887223 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 52.

The square root of 159097768 is about 12613.3963705261. The cubic root of 159097768 is about 541.8611682198.

The spelling of 159097768 in words is "one hundred fifty-nine million, ninety-seven thousand, seven hundred sixty-eight".