166468858368 has 320 divisors, whose sum is σ = 465072233472. Its totient is φ = 52876328960.

The previous prime is 166468858343. The next prime is 166468858393. The reversal of 166468858368 is 863858864661.

It is an interprime number because it is at equal distance from previous prime (166468858343) and next prime (166468858393).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 479737171 + ... + 479737517.

Almost surely, 2^166468858368 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 166468858368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232536116736).

166468858368 is an abundant number, since it is smaller than the sum of its proper divisors (298603375104).

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

166468858368 is an equidigital number, since it uses as much as digits as its factorization.

166468858368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575 (or 559 counting only the distinct ones).

The product of its digits is 318504960, while the sum is 69.

The spelling of 166468858368 in words is "one hundred sixty-six billion, four hundred sixty-eight million, eight hundred fifty-eight thousand, three hundred sixty-eight".