168343403996 has 12 divisors (see below), whose sum is σ = 294610682352. Its totient is φ = 84168923328.

The previous prime is 168343403957. The next prime is 168343403999. The reversal of 168343403996 is 699304343861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168343403999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555245 + ... + 803108.

It is an arithmetic number, because the mean of its divisors is an integer number (24550890196).

Almost surely, 2^168343403996 is an apocalyptic number.

It is an amenable number.

168343403996 is a deficient number, since it is larger than the sum of its proper divisors (126267278356).

168343403996 is a wasteful number, since it uses less digits than its factorization.

168343403996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389340 (or 1389338 counting only the distinct ones).

The product of its (nonzero) digits is 10077696, while the sum is 56.

The spelling of 168343403996 in words is "one hundred sixty-eight billion, three hundred forty-three million, four hundred three thousand, nine hundred ninety-six".