166652522 has 4 divisors (see below), whose sum is σ = 249978786. Its totient is φ = 83326260.

The previous prime is 166652501. The next prime is 166652537. The reversal of 166652522 is 225256661.

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., 119880601 + 46771921 = 10949^2 + 6839^2 .

It is an unprimeable number.

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, 41663129 + ... + 41663132.

Almost surely, 2^166652522 is an apocalyptic number.

166652522 is a deficient number, since it is larger than the sum of its proper divisors (83326264).

166652522 is an equidigital number, since it uses as much as digits as its factorization.

166652522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83326263.

The product of its digits is 43200, while the sum is 35.

The square root of 166652522 is about 12909.3966551501. The cubic root of 166652522 is about 550.3056394886.

The spelling of 166652522 in words is "one hundred sixty-six million, six hundred fifty-two thousand, five hundred twenty-two".