166584116 has 6 divisors (see below), whose sum is σ = 291522210. Its totient is φ = 83292056.

The previous prime is 166584097. The next prime is 166584169. The reversal of 166584116 is 611485661.

It can be written as a sum of positive squares in only one way, i.e., 149328400 + 17255716 = 12220^2 + 4154^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 166584116.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20823011 + ... + 20823018.

It is an arithmetic number, because the mean of its divisors is an integer number (48587035).

Almost surely, 2^166584116 is an apocalyptic number.

It is an amenable number.

166584116 is a deficient number, since it is larger than the sum of its proper divisors (124938094).

166584116 is a wasteful number, since it uses less digits than its factorization.

166584116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41646033 (or 41646031 counting only the distinct ones).

The product of its digits is 34560, while the sum is 38.

The square root of 166584116 is about 12906.7469177946. The cubic root of 166584116 is about 550.2303343788.

The spelling of 166584116 in words is "one hundred sixty-six million, five hundred eighty-four thousand, one hundred sixteen".