239168169942 has 32 divisors (see below), whose sum is σ = 542243627520. Its totient is φ = 69717036960.

The previous prime is 239168169937. The next prime is 239168169953. The reversal of 239168169942 is 249961861932.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80689534 + ... + 80692497.

It is an arithmetic number, because the mean of its divisors is an integer number (16945113360).

Almost surely, 2^239168169942 is an apocalyptic number.

239168169942 is an abundant number, since it is smaller than the sum of its proper divisors (303075457578).

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

239168169942 is a wasteful number, since it uses less digits than its factorization.

239168169942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161382068.

The product of its digits is 10077696, while the sum is 60.

The spelling of 239168169942 in words is "two hundred thirty-nine billion, one hundred sixty-eight million, one hundred sixty-nine thousand, nine hundred forty-two".