166923360 has 144 divisors (see below), whose sum is σ = 599704560. Its totient is φ = 42163200.

The previous prime is 166923319. The next prime is 166923371. The reversal of 166923360 is 63329661.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×166923360² = 55726816227379200, which contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 24310 + ... + 30410.

It is an arithmetic number, because the mean of its divisors is an integer number (4164615).

Almost surely, 2^166923360 is an apocalyptic number.

166923360 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 166923360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299852280).

166923360 is an abundant number, since it is smaller than the sum of its proper divisors (432781200).

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

166923360 is a wasteful number, since it uses less digits than its factorization.

166923360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6141 (or 6130 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 166923360 is about 12919.8823524055. The cubic root of 166923360 is about 550.6035907978.

The spelling of 166923360 in words is "one hundred sixty-six million, nine hundred twenty-three thousand, three hundred sixty".