166427210 has 16 divisors (see below), whose sum is σ = 299829600. Its totient is φ = 66512976.

The previous prime is 166427203. The next prime is 166427227. The reversal of 166427210 is 12724661.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5981 + ... + 19199.

It is an arithmetic number, because the mean of its divisors is an integer number (18739350).

Almost surely, 2^166427210 is an apocalyptic number.

166427210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166427210 is a deficient number, since it is larger than the sum of its proper divisors (133402390).

166427210 is a wasteful number, since it uses less digits than its factorization.

166427210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14485.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 166427210 is about 12900.6670370179. The cubic root of 166427210 is about 550.0575256635.

The spelling of 166427210 in words is "one hundred sixty-six million, four hundred twenty-seven thousand, two hundred ten".