159230186865 has 24 divisors (see below), whose sum is σ = 276022027008. Its totient is φ = 84915678240.

The previous prime is 159230186849. The next prime is 159230186881. The reversal of 159230186865 is 568681032951.

159230186865 is a `hidden beast` number, since 1 + 592 + 30 + 18 + 6 + 8 + 6 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (159230186849) and next prime (159230186881).

It is not a de Polignac number, because 159230186865 - 2⁴ = 159230186849 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 421582 + ... + 704408.

It is an arithmetic number, because the mean of its divisors is an integer number (11500917792).

Almost surely, 2^159230186865 is an apocalyptic number.

159230186865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

159230186865 is a deficient number, since it is larger than the sum of its proper divisors (116791840143).

159230186865 is a wasteful number, since it uses less digits than its factorization.

159230186865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295349 (or 295346 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 54.

The spelling of 159230186865 in words is "one hundred fifty-nine billion, two hundred thirty million, one hundred eighty-six thousand, eight hundred sixty-five".