168866100 has 288 divisors, whose sum is σ = 621210240. Its totient is φ = 38983680.

The previous prime is 168866099. The next prime is 168866111. The reversal of 168866100 is 1668861.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 596559 + ... + 596841.

It is an arithmetic number, because the mean of its divisors is an integer number (2156980).

Almost surely, 2^168866100 is an apocalyptic number.

168866100 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 168866100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (310605120).

168866100 is an abundant number, since it is smaller than the sum of its proper divisors (452344140).

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

168866100 is a wasteful number, since it uses less digits than its factorization.

168866100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 168866100 is about 12994.8489794995. The cubic root of 168866100 is about 552.7314264271.

The spelling of 168866100 in words is "one hundred sixty-eight million, eight hundred sixty-six thousand, one hundred".