168038815704 has 32 divisors (see below), whose sum is σ = 420226375920. Its totient is φ = 55995693696.

The previous prime is 168038815691. The next prime is 168038815717. The reversal of 168038815704 is 407518830861.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (168038815691) and next prime (168038815717).

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 7 ways as a sum of consecutive naturals, for example, 998107 + ... + 1154250.

Almost surely, 2^168038815704 is an apocalyptic number.

It is an amenable number.

168038815704 is an abundant number, since it is smaller than the sum of its proper divisors (252187560216).

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

168038815704 is a wasteful number, since it uses less digits than its factorization.

168038815704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2155619 (or 2155615 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 51.

The spelling of 168038815704 in words is "one hundred sixty-eight billion, thirty-eight million, eight hundred fifteen thousand, seven hundred four".