159669013 has 8 divisors (see below), whose sum is σ = 190412928. Its totient is φ = 130908624.

The previous prime is 159669001. The next prime is 159669017. The reversal of 159669013 is 310966951.

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

It is a de Polignac number, because none of the positive numbers 2^k-159669013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159669017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 495706 + ... + 496027.

It is an arithmetic number, because the mean of its divisors is an integer number (23801616).

Almost surely, 2^159669013 is an apocalyptic number.

It is an amenable number.

159669013 is a deficient number, since it is larger than the sum of its proper divisors (30743915).

159669013 is an equidigital number, since it uses as much as digits as its factorization.

159669013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991763.

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 159669013 is about 12636.0204574067. The cubic root of 159669013 is about 542.5089161609.

The spelling of 159669013 in words is "one hundred fifty-nine million, six hundred sixty-nine thousand, thirteen".