168799788000000 has 2520 divisors, whose sum is σ = 656115122556432. Its totient is φ = 43130880000000.

The previous prime is 168799787999971. The next prime is 168799788000017. The reversal of 168799788000000 is 887997861.

It is a junction number, because it is equal to n+sod(n) for n = 168799787999892 and 168799787999901.

It is an unprimeable number.

It is a polite number, since it can be written in 279 ways as a sum of consecutive naturals, for example, 1288547999935 + ... + 1288548000065.

Almost surely, 2^{168799788000000} is an apocalyptic number.

168799788000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168799788000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328057561278216).

168799788000000 is an abundant number, since it is smaller than the sum of its proper divisors (487315334556432).

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

168799788000000 is an frugal number, since it uses more digits than its factorization.

168799788000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 63.

The spelling of 168799788000000 in words is "one hundred sixty-eight trillion, seven hundred ninety-nine billion, seven hundred eighty-eight million", and thus it is an aban number.