166094716262401 has 8 divisors (see below), whose sum is σ = 166379166603144. Its totient is φ = 165810280596480.

The previous prime is 166094716262339. The next prime is 166094716262437. The reversal of 166094716262401 is 104262617490661.

It can be written as a sum of positive squares in 4 ways, for example, as 9871215138801 + 156223501123600 = 3141849^2 + 12498940^2 .

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 166094716262401 - 2⁷ = 166094716262273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166094716262441) 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 7 ways as a sum of consecutive naturals, for example, 19108341 + ... + 26406781.

It is an arithmetic number, because the mean of its divisors is an integer number (20797395825393).

Almost surely, 2^{166094716262401} is an apocalyptic number.

It is an amenable number.

166094716262401 is a deficient number, since it is larger than the sum of its proper divisors (284450340743).

166094716262401 is an equidigital number, since it uses as much as digits as its factorization.

166094716262401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7337411.

The product of its (nonzero) digits is 5225472, while the sum is 55.

The spelling of 166094716262401 in words is "one hundred sixty-six trillion, ninety-four billion, seven hundred sixteen million, two hundred sixty-two thousand, four hundred one".