239986721164 has 12 divisors (see below), whose sum is σ = 438236621424. Its totient is φ = 114776257904.

The previous prime is 239986721071. The next prime is 239986721207. The reversal of 239986721164 is 461127689932.

It is a junction number, because it is equal to n+sod(n) for n = 239986721099 and 239986721108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1304275567 + ... + 1304275750.

It is an arithmetic number, because the mean of its divisors is an integer number (36519718452).

Almost surely, 2^239986721164 is an apocalyptic number.

It is an amenable number.

239986721164 is a deficient number, since it is larger than the sum of its proper divisors (198249900260).

239986721164 is a wasteful number, since it uses less digits than its factorization.

239986721164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2608551344 (or 2608551342 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 58.

The spelling of 239986721164 in words is "two hundred thirty-nine billion, nine hundred eighty-six million, seven hundred twenty-one thousand, one hundred sixty-four".