168670168668 has 48 divisors (see below), whose sum is σ = 443819810560. Its totient is φ = 55384232112.

The previous prime is 168670168663. The next prime is 168670168679. The reversal of 168670168668 is 866861076861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168670168663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11647696 + ... + 11662167.

Almost surely, 2^168670168668 is an apocalyptic number.

168670168668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

168670168668 is an abundant number, since it is smaller than the sum of its proper divisors (275149641892).

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

168670168668 is a wasteful number, since it uses less digits than its factorization.

168670168668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23309943 (or 23309935 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 63.

The spelling of 168670168668 in words is "one hundred sixty-eight billion, six hundred seventy million, one hundred sixty-eight thousand, six hundred sixty-eight".