168688375107336 has 128 divisors (see below), whose sum is σ = 537857161632000. Its totient is φ = 47986212658176.

The previous prime is 168688375107319. The next prime is 168688375107391. The reversal of 168688375107336 is 633701573886861.

168688375107336 is a `hidden beast` number, since 1 + 6 + 8 + 6 + 8 + 8 + 3 + 7 + 510 + 73 + 36 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

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 31 ways as a sum of consecutive naturals, for example, 243248481 + ... + 243940976.

It is an arithmetic number, because the mean of its divisors is an integer number (4202009075250).

Almost surely, 2^{168688375107336} is an apocalyptic number.

It is an amenable number.

168688375107336 is an abundant number, since it is smaller than the sum of its proper divisors (369168786524664).

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

168688375107336 is a wasteful number, since it uses less digits than its factorization.

168688375107336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487189708 (or 487189698 counting only the distinct ones).

The product of its (nonzero) digits is 731566080, while the sum is 72.

The spelling of 168688375107336 in words is "one hundred sixty-eight trillion, six hundred eighty-eight billion, three hundred seventy-five million, one hundred seven thousand, three hundred thirty-six".