166384522 has 4 divisors (see below), whose sum is σ = 249576786. Its totient is φ = 83192260.

The previous prime is 166384511. The next prime is 166384531. The reversal of 166384522 is 225483661.

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., 86657481 + 79727041 = 9309^2 + 8929^2 .

It is a super-2 number, since 2×166384522² = 55367618322336968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41596129 + ... + 41596132.

Almost surely, 2^166384522 is an apocalyptic number.

166384522 is a deficient number, since it is larger than the sum of its proper divisors (83192264).

166384522 is an equidigital number, since it uses as much as digits as its factorization.

166384522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83192263.

The product of its digits is 69120, while the sum is 37.

The square root of 166384522 is about 12899.0124428190. The cubic root of 166384522 is about 550.0104923618.

The spelling of 166384522 in words is "one hundred sixty-six million, three hundred eighty-four thousand, five hundred twenty-two".