166704064 has 28 divisors (see below), whose sum is σ = 342214200. Its totient is φ = 80476928.

The previous prime is 166704061. The next prime is 166704071. The reversal of 166704064 is 460407661.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166704061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43054 + ... + 46765.

Almost surely, 2^166704064 is an apocalyptic number.

It is an amenable number.

166704064 is an abundant number, since it is smaller than the sum of its proper divisors (175510136).

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

166704064 is an equidigital number, since it uses as much as digits as its factorization.

166704064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89860 (or 89850 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 166704064 is about 12911.3927986101. The cubic root of 166704064 is about 550.3623661622.

The spelling of 166704064 in words is "one hundred sixty-six million, seven hundred four thousand, sixty-four".