168788856 has 64 divisors (see below), whose sum is σ = 449280000. Its totient is φ = 52690176.

The previous prime is 168788849. The next prime is 168788861. The reversal of 168788856 is 658887861.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 168788796 and 168788805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38505 + ... + 42663.

It is an arithmetic number, because the mean of its divisors is an integer number (7020000).

Almost surely, 2^168788856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168788856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224640000).

168788856 is an abundant number, since it is smaller than the sum of its proper divisors (280491144).

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

168788856 is a wasteful number, since it uses less digits than its factorization.

168788856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4276 (or 4272 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 57.

The square root of 168788856 is about 12991.8765388222. The cubic root of 168788856 is about 552.6471353864.

The spelling of 168788856 in words is "one hundred sixty-eight million, seven hundred eighty-eight thousand, eight hundred fifty-six".