166265160226 has 32 divisors (see below), whose sum is σ = 272797217280. Its totient is φ = 75373334400.

The previous prime is 166265160203. The next prime is 166265160283. The reversal of 166265160226 is 622061562661.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24033720 + ... + 24040636.

It is an arithmetic number, because the mean of its divisors is an integer number (8524913040).

Almost surely, 2^166265160226 is an apocalyptic number.

166265160226 is a deficient number, since it is larger than the sum of its proper divisors (106532057054).

166265160226 is a wasteful number, since it uses less digits than its factorization.

166265160226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9690.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 166265160226 in words is "one hundred sixty-six billion, two hundred sixty-five million, one hundred sixty thousand, two hundred twenty-six".