159670913 has 2 divisors, whose sum is σ = 159670914. Its totient is φ = 159670912.

The previous prime is 159670883. The next prime is 159670949. The reversal of 159670913 is 319076951.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128890609 + 30780304 = 11353^2 + 5548^2 .

It is an emirp because it is prime and its reverse (319076951) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 159670913 - 2⁸ = 159670657 is a prime.

It is not a weakly prime, because it can be changed into another prime (159670963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79835456 + 79835457.

It is an arithmetic number, because the mean of its divisors is an integer number (79835457).

Almost surely, 2^159670913 is an apocalyptic number.

It is an amenable number.

159670913 is a deficient number, since it is larger than the sum of its proper divisors (1).

159670913 is an equidigital number, since it uses as much as digits as its factorization.

159670913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51030, while the sum is 41.

The square root of 159670913 is about 12636.0956390809. The cubic root of 159670913 is about 542.5110680350.

The spelling of 159670913 in words is "one hundred fifty-nine million, six hundred seventy thousand, nine hundred thirteen".