166002270 has 64 divisors (see below), whose sum is σ = 475130880. Its totient is φ = 36292608.

The previous prime is 166002217. The next prime is 166002299. The reversal of 166002270 is 72200661.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 166002270.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12355 + ... + 22014.

It is an arithmetic number, because the mean of its divisors is an integer number (7423920).

Almost surely, 2^166002270 is an apocalyptic number.

166002270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166002270 is an abundant number, since it is smaller than the sum of its proper divisors (309128610).

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

166002270 is a wasteful number, since it uses less digits than its factorization.

166002270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34409.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 166002270 is about 12884.1868195086. The cubic root of 166002270 is about 549.5889711412.

The spelling of 166002270 in words is "one hundred sixty-six million, two thousand, two hundred seventy".