159674518218 has 16 divisors (see below), whose sum is σ = 320438968416. Its totient is φ = 53043184080.

The previous prime is 159674518193. The next prime is 159674518243. The reversal of 159674518218 is 812815476951.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (159674518193) and next prime (159674518243).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45411928 + ... + 45415443.

It is an arithmetic number, because the mean of its divisors is an integer number (20027435526).

Almost surely, 2^159674518218 is an apocalyptic number.

159674518218 is an abundant number, since it is smaller than the sum of its proper divisors (160764450198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

159674518218 is a wasteful number, since it uses less digits than its factorization.

159674518218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90827669.

The product of its digits is 4838400, while the sum is 57.

The spelling of 159674518218 in words is "one hundred fifty-nine billion, six hundred seventy-four million, five hundred eighteen thousand, two hundred eighteen".