159230186866 has 8 divisors (see below), whose sum is σ = 238851271260. Its totient is φ = 79613096448.

The previous prime is 159230186849. The next prime is 159230186881. The reversal of 159230186866 is 668681032951.

It can be written as a sum of positive squares in 2 ways, for example, as 124923368025 + 34306818841 = 353445^2 + 185221^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 896751 + ... + 1059538.

Almost surely, 2^159230186866 is an apocalyptic number.

159230186866 is a deficient number, since it is larger than the sum of its proper divisors (79621084394).

159230186866 is a wasteful number, since it uses less digits than its factorization.

159230186866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996988.

The product of its (nonzero) digits is 3732480, while the sum is 55.

The spelling of 159230186866 in words is "one hundred fifty-nine billion, two hundred thirty million, one hundred eighty-six thousand, eight hundred sixty-six".