168866522112 has 88 divisors (see below), whose sum is σ = 452354248000. Its totient is φ = 56005779456.

The previous prime is 168866522081. The next prime is 168866522171. The reversal of 168866522112 is 211225668861.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 473214 + ... + 749442.

Almost surely, 2^168866522112 is an apocalyptic number.

168866522112 is a gapful number since it is divisible by the number (12) 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 168866522112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226177124000).

168866522112 is an abundant number, since it is smaller than the sum of its proper divisors (283487725888).

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

168866522112 is a wasteful number, since it uses less digits than its factorization.

168866522112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276451 (or 276433 counting only the distinct ones).

The product of its digits is 552960, while the sum is 48.

The spelling of 168866522112 in words is "one hundred sixty-eight billion, eight hundred sixty-six million, five hundred twenty-two thousand, one hundred twelve".