239185507668 has 12 divisors (see below), whose sum is σ = 558099517920. Its totient is φ = 79728502552.

The previous prime is 239185507621. The next prime is 239185507679. The reversal of 239185507668 is 866705581932.

239185507668 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 9966062808 + ... + 9966062831.

It is an arithmetic number, because the mean of its divisors is an integer number (46508293160).

Almost surely, 2^239185507668 is an apocalyptic number.

It is an amenable number.

239185507668 is an abundant number, since it is smaller than the sum of its proper divisors (318914010252).

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

239185507668 is a wasteful number, since it uses less digits than its factorization.

239185507668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19932125646 (or 19932125644 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 60.

The spelling of 239185507668 in words is "two hundred thirty-nine billion, one hundred eighty-five million, five hundred seven thousand, six hundred sixty-eight".