166327226 has 16 divisors (see below), whose sum is σ = 269896704. Its totient is φ = 76419504.

The previous prime is 166327223. The next prime is 166327243. The reversal of 166327226 is 622723661.

It is a super-2 number, since 2×166327226² = 55329492217710152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (166327223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8546 + ... + 20141.

It is an arithmetic number, because the mean of its divisors is an integer number (16868544).

Almost surely, 2^166327226 is an apocalyptic number.

166327226 is a deficient number, since it is larger than the sum of its proper divisors (103569478).

166327226 is a wasteful number, since it uses less digits than its factorization.

166327226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28925.

The product of its digits is 36288, while the sum is 35.

The square root of 166327226 is about 12896.7913063676. The cubic root of 166327226 is about 549.9473514342.

The spelling of 166327226 in words is "one hundred sixty-six million, three hundred twenty-seven thousand, two hundred twenty-six".