168293158804 has 6 divisors (see below), whose sum is σ = 294513027914. Its totient is φ = 84146579400.

The previous prime is 168293158793. The next prime is 168293158837. The reversal of 168293158804 is 408851392861.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 159082917904 + 9210240900 = 398852^2 + 95970^2 .

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, 21036644847 + ... + 21036644854.

Almost surely, 2^168293158804 is an apocalyptic number.

It is an amenable number.

168293158804 is a deficient number, since it is larger than the sum of its proper divisors (126219869110).

168293158804 is a wasteful number, since it uses less digits than its factorization.

168293158804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42073289705 (or 42073289703 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 55.

The spelling of 168293158804 in words is "one hundred sixty-eight billion, two hundred ninety-three million, one hundred fifty-eight thousand, eight hundred four".