166804304275 has 48 divisors (see below), whose sum is σ = 242830440000. Its totient is φ = 113611572480.

The previous prime is 166804304273. The next prime is 166804304299. The reversal of 166804304275 is 572403408661.

It is not a de Polignac number, because 166804304275 - 2¹ = 166804304273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166804304273) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1212399 + ... + 1342951.

It is an arithmetic number, because the mean of its divisors is an integer number (5058967500).

Almost surely, 2^166804304275 is an apocalyptic number.

166804304275 is a deficient number, since it is larger than the sum of its proper divisors (76026135725).

166804304275 is a wasteful number, since it uses less digits than its factorization.

166804304275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130733 (or 130714 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 166804304275 in words is "one hundred sixty-six billion, eight hundred four million, three hundred four thousand, two hundred seventy-five".