168591680760 has 32 divisors (see below), whose sum is σ = 505775042640. Its totient is φ = 44957781504.

The previous prime is 168591680759. The next prime is 168591680791. The reversal of 168591680760 is 67086195861.

It is a self number, because there is not a number n which added to its sum of digits gives 168591680760.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 702465217 + ... + 702465456.

Almost surely, 2^168591680760 is an apocalyptic number.

168591680760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168591680760 is an abundant number, since it is smaller than the sum of its proper divisors (337183361880).

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

168591680760 is a wasteful number, since it uses less digits than its factorization.

168591680760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404930687 (or 1404930683 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 57.

The spelling of 168591680760 in words is "one hundred sixty-eight billion, five hundred ninety-one million, six hundred eighty thousand, seven hundred sixty".