168727402940 has 12 divisors (see below), whose sum is σ = 354327546216. Its totient is φ = 67490961168.

The previous prime is 168727402937. The next prime is 168727402957. The reversal of 168727402940 is 49204727861.

It is a happy number.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 4218185054 + ... + 4218185093.

It is an arithmetic number, because the mean of its divisors is an integer number (29527295518).

Almost surely, 2^168727402940 is an apocalyptic number.

168727402940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168727402940 is an abundant number, since it is smaller than the sum of its proper divisors (185600143276).

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

168727402940 is a wasteful number, since it uses less digits than its factorization.

168727402940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8436370156 (or 8436370154 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 50.

The spelling of 168727402940 in words is "one hundred sixty-eight billion, seven hundred twenty-seven million, four hundred two thousand, nine hundred forty".