166748680 has 64 divisors (see below), whose sum is σ = 431101440. Its totient is φ = 56861952.

The previous prime is 166748671. The next prime is 166748741. The reversal of 166748680 is 86847661.

It is a happy number.

166748680 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 166748680.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53649 + ... + 56671.

It is an arithmetic number, because the mean of its divisors is an integer number (6735960).

Almost surely, 2^166748680 is an apocalyptic number.

166748680 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 166748680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215550720).

166748680 is an abundant number, since it is smaller than the sum of its proper divisors (264352760).

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

166748680 is a wasteful number, since it uses less digits than its factorization.

166748680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3238 (or 3234 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 166748680 is about 12913.1204594397. The cubic root of 166748680 is about 550.4114607003.

The spelling of 166748680 in words is "one hundred sixty-six million, seven hundred forty-eight thousand, six hundred eighty".