159570961 has 8 divisors (see below), whose sum is σ = 174416544. Its totient is φ = 144781920.

The previous prime is 159570953. The next prime is 159570977. The reversal of 159570961 is 169075951.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 159570961 - 2³ = 159570953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159570461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8116 + ... + 19621.

It is an arithmetic number, because the mean of its divisors is an integer number (21802068).

Almost surely, 2^159570961 is an apocalyptic number.

159570961 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

159570961 is a deficient number, since it is larger than the sum of its proper divisors (14845583).

159570961 is a wasteful number, since it uses less digits than its factorization.

159570961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28271.

The product of its (nonzero) digits is 85050, while the sum is 43.

The square root of 159570961 is about 12632.1400008075. The cubic root of 159570961 is about 542.3978426852.

The spelling of 159570961 in words is "one hundred fifty-nine million, five hundred seventy thousand, nine hundred sixty-one".