159616971 has 12 divisors (see below), whose sum is σ = 231098400. Its totient is φ = 106161840.

The previous prime is 159616969. The next prime is 159616991. The reversal of 159616971 is 179616951.

It is not a de Polignac number, because 159616971 - 2¹ = 159616969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (159616901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16696 + ... + 24453.

It is an arithmetic number, because the mean of its divisors is an integer number (19258200).

Almost surely, 2^159616971 is an apocalyptic number.

159616971 is a deficient number, since it is larger than the sum of its proper divisors (71481429).

159616971 is a wasteful number, since it uses less digits than its factorization.

159616971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41586 (or 41583 counting only the distinct ones).

The product of its digits is 102060, while the sum is 45.

The square root of 159616971 is about 12633.9610178281. The cubic root of 159616971 is about 542.4499685574.

The spelling of 159616971 in words is "one hundred fifty-nine million, six hundred sixteen thousand, nine hundred seventy-one".