168890793758 has 16 divisors (see below), whose sum is σ = 268301179440. Its totient is φ = 79459395456.

The previous prime is 168890793749. The next prime is 168890793761. The reversal of 168890793758 is 857397098861.

It is a junction number, because it is equal to n+sod(n) for n = 168890793691 and 168890793700.

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, 434273 + ... + 725516.

It is an arithmetic number, because the mean of its divisors is an integer number (16768823715).

Almost surely, 2^168890793758 is an apocalyptic number.

168890793758 is a deficient number, since it is larger than the sum of its proper divisors (99410385682).

168890793758 is a wasteful number, since it uses less digits than its factorization.

168890793758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164091.

The product of its (nonzero) digits is 182891520, while the sum is 71.

The spelling of 168890793758 in words is "one hundred sixty-eight billion, eight hundred ninety million, seven hundred ninety-three thousand, seven hundred fifty-eight".