159356961 has 6 divisors (see below), whose sum is σ = 230182290. Its totient is φ = 106237968.

The previous prime is 159356959. The next prime is 159357083. The reversal of 159356961 is 169653951.

159356961 is a `hidden beast` number, since 1 + 593 + 56 + 9 + 6 + 1 = 666.

159356961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 140564736 + 18792225 = 11856^2 + 4335^2 .

It is not a de Polignac number, because 159356961 - 2¹ = 159356959 is a prime.

It is not an unprimeable number, because it can be changed into a prime (159356941) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8853156 + ... + 8853173.

It is an arithmetic number, because the mean of its divisors is an integer number (38363715).

Almost surely, 2^159356961 is an apocalyptic number.

It is an amenable number.

159356961 is a deficient number, since it is larger than the sum of its proper divisors (70825329).

159356961 is a wasteful number, since it uses less digits than its factorization.

159356961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17706335 (or 17706332 counting only the distinct ones).

The product of its digits is 218700, while the sum is 45.

The square root of 159356961 is about 12623.6667018739. Note that the first 3 decimals coincide. The cubic root of 159356961 is about 542.1552649949.

The spelling of 159356961 in words is "one hundred fifty-nine million, three hundred fifty-six thousand, nine hundred sixty-one".