166583122 has 4 divisors (see below), whose sum is σ = 249874686. Its totient is φ = 83291560.

The previous prime is 166583093. The next prime is 166583129. The reversal of 166583122 is 221385661.

166583122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 125865961 + 40717161 = 11219^2 + 6381^2 .

It is not an unprimeable number, because it can be changed into a prime (166583129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41645779 + ... + 41645782.

Almost surely, 2^166583122 is an apocalyptic number.

166583122 is a deficient number, since it is larger than the sum of its proper divisors (83291564).

166583122 is an equidigital number, since it uses as much as digits as its factorization.

166583122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83291563.

The product of its digits is 17280, while the sum is 34.

The square root of 166583122 is about 12906.7084107452. The cubic root of 166583122 is about 550.2292399767.

The spelling of 166583122 in words is "one hundred sixty-six million, five hundred eighty-three thousand, one hundred twenty-two".