166700482748417 has 4 divisors (see below), whose sum is σ = 166700518080516. Its totient is φ = 166700447416320.

The previous prime is 166700482748413. The next prime is 166700482748507. The reversal of 166700482748417 is 714847284007661.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1712392085056 + 164988090663361 = 1308584^2 + 12844769^2 .

It is a cyclic number.

It is not a de Polignac number, because 166700482748417 - 2² = 166700482748413 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166700482748411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9253568 + ... + 20470209.

It is an arithmetic number, because the mean of its divisors is an integer number (41675129520129).

Almost surely, 2^{166700482748417} is an apocalyptic number.

It is an amenable number.

166700482748417 is a deficient number, since it is larger than the sum of its proper divisors (35332099).

166700482748417 is an equidigital number, since it uses as much as digits as its factorization.

166700482748417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35332098.

The product of its (nonzero) digits is 101154816, while the sum is 65.

The spelling of 166700482748417 in words is "one hundred sixty-six trillion, seven hundred billion, four hundred eighty-two million, seven hundred forty-eight thousand, four hundred seventeen".