168038473816 has 8 divisors (see below), whose sum is σ = 315072138420. Its totient is φ = 84019236904.

The previous prime is 168038473807. The next prime is 168038473829. The reversal of 168038473816 is 618374830861.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10502404606 + ... + 10502404621.

Almost surely, 2^168038473816 is an apocalyptic number.

It is an amenable number.

168038473816 is a deficient number, since it is larger than the sum of its proper divisors (147033664604).

168038473816 is a wasteful number, since it uses less digits than its factorization.

168038473816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21004809233 (or 21004809229 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 55.

The spelling of 168038473816 in words is "one hundred sixty-eight billion, thirty-eight million, four hundred seventy-three thousand, eight hundred sixteen".