168286134774780 has 72 divisors (see below), whose sum is σ = 556874118715824. Its totient is φ = 40796638732800.

The previous prime is 168286134774731. The next prime is 168286134774803. The reversal of 168286134774780 is 87477431682861.

168286134774780 is a `hidden beast` number, since 1 + 6 + 8 + 2 + 86 + 1 + 3 + 4 + 77 + 478 + 0 = 666.

168286134774780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 168286134774699 and 168286134774708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42496496701 + ... + 42496500660.

It is an arithmetic number, because the mean of its divisors is an integer number (7734362759942).

Almost surely, 2^{168286134774780} is an apocalyptic number.

168286134774780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168286134774780 is an abundant number, since it is smaller than the sum of its proper divisors (388587983941044).

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

168286134774780 is a wasteful number, since it uses less digits than its factorization.

168286134774780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84992997387 (or 84992997382 counting only the distinct ones).

The product of its (nonzero) digits is 606928896, while the sum is 72.

The spelling of 168286134774780 in words is "one hundred sixty-eight trillion, two hundred eighty-six billion, one hundred thirty-four million, seven hundred seventy-four thousand, seven hundred eighty".