166750560 has 144 divisors (see below), whose sum is σ = 582485904. Its totient is φ = 43416576.

The previous prime is 166750547. The next prime is 166750589. The reversal of 166750560 is 65057661.

It is a happy number.

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

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, 60574 + ... + 63266.

It is an arithmetic number, because the mean of its divisors is an integer number (4045041).

Almost surely, 2^166750560 is an apocalyptic number.

166750560 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 166750560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291242952).

166750560 is an abundant number, since it is smaller than the sum of its proper divisors (415735344).

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

166750560 is a wasteful number, since it uses less digits than its factorization.

166750560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2757 (or 2746 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 166750560 is about 12913.1932534133. The cubic root of 166750560 is about 550.4135292217.

It can be divided in two parts, 16 and 6750560, that added together give a palindrome (6750576).

The spelling of 166750560 in words is "one hundred sixty-six million, seven hundred fifty thousand, five hundred sixty".