166248163 has 8 divisors (see below), whose sum is σ = 173641248. Its totient is φ = 158868864.

The previous prime is 166248149. The next prime is 166248193. The reversal of 166248163 is 361842661.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 166248163 - 2²¹ = 164151011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166248113) 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 in 7 ways as a sum of consecutive naturals, for example, 27045 + ... + 32617.

It is an arithmetic number, because the mean of its divisors is an integer number (21705156).

Almost surely, 2^166248163 is an apocalyptic number.

166248163 is a deficient number, since it is larger than the sum of its proper divisors (7393085).

166248163 is a wasteful number, since it uses less digits than its factorization.

166248163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6893.

The product of its digits is 41472, while the sum is 37.

The square root of 166248163 is about 12893.7257222263. The cubic root of 166248163 is about 549.8601991787.

The spelling of 166248163 in words is "one hundred sixty-six million, two hundred forty-eight thousand, one hundred sixty-three".