166214524566 has 16 divisors (see below), whose sum is σ = 332646199488. Its totient is φ = 55368649800.

The previous prime is 166214524561. The next prime is 166214524589. The reversal of 166214524566 is 665425412661.

It is a happy number.

166214524566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166214524561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9037980 + ... + 9056351.

It is an arithmetic number, because the mean of its divisors is an integer number (20790387468).

Almost surely, 2^166214524566 is an apocalyptic number.

166214524566 is an abundant number, since it is smaller than the sum of its proper divisors (166431674922).

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

166214524566 is a wasteful number, since it uses less digits than its factorization.

166214524566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18095867.

The product of its digits is 2073600, while the sum is 48.

The spelling of 166214524566 in words is "one hundred sixty-six billion, two hundred fourteen million, five hundred twenty-four thousand, five hundred sixty-six".