166726080 has 224 divisors, whose sum is σ = 614476800. Its totient is φ = 42476544.

The previous prime is 166726069. The next prime is 166726099. The reversal of 166726080 is 80627661.

It is a happy number.

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 31 ways as a sum of consecutive naturals, for example, 198301 + ... + 199139.

It is an arithmetic number, because the mean of its divisors is an integer number (2743200).

Almost surely, 2^166726080 is an apocalyptic number.

166726080 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 166726080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307238400).

166726080 is an abundant number, since it is smaller than the sum of its proper divisors (447750720).

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

166726080 is a wasteful number, since it uses less digits than its factorization.

166726080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888 (or 872 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 166726080 is about 12912.2453508288. The cubic root of 166726080 is about 550.3865932150.

The spelling of 166726080 in words is "one hundred sixty-six million, seven hundred twenty-six thousand, eighty".