166248522 has 48 divisors (see below), whose sum is σ = 402554880. Its totient is φ = 49147200.

The previous prime is 166248517. The next prime is 166248539. The reversal of 166248522 is 225842661.

It is a happy number.

166248522 is a `hidden beast` number, since 1 + 6 + 624 + 8 + 5 + 22 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2122 + ... + 18357.

It is an arithmetic number, because the mean of its divisors is an integer number (8386560).

Almost surely, 2^166248522 is an apocalyptic number.

166248522 is an abundant number, since it is smaller than the sum of its proper divisors (236306358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166248522 is a wasteful number, since it uses less digits than its factorization.

166248522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20539 (or 20536 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 166248522 is about 12893.7396437186. The cubic root of 166248522 is about 549.8605949719.

The spelling of 166248522 in words is "one hundred sixty-six million, two hundred forty-eight thousand, five hundred twenty-two".