166565014 has 96 divisors (see below), whose sum is σ = 343504800. Its totient is φ = 59673600.

The previous prime is 166564961. The next prime is 166565017. The reversal of 166565014 is 410565661.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166565017) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1117812 + ... + 1117960.

It is an arithmetic number, because the mean of its divisors is an integer number (3578175).

Almost surely, 2^166565014 is an apocalyptic number.

166565014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

166565014 is an abundant number, since it is smaller than the sum of its proper divisors (176939786).

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

166565014 is a wasteful number, since it uses less digits than its factorization.

166565014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 166565014 is about 12906.0068960155. The cubic root of 166565014 is about 550.2093021583.

The spelling of 166565014 in words is "one hundred sixty-six million, five hundred sixty-five thousand, fourteen".