455166169 has 4 divisors (see below), whose sum is σ = 461401396. Its totient is φ = 448930944.

The previous prime is 455166157. The next prime is 455166221. The reversal of 455166169 is 961661554.

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 397603600 + 57562569 = 19940^2 + 7587^2 .

It is a cyclic number.

It is not a de Polignac number, because 455166169 - 2²¹ = 453069017 is a prime.

It is a super-2 number, since 2×455166169² = 414352482804273122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (455166469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3117504 + ... + 3117649.

It is an arithmetic number, because the mean of its divisors is an integer number (115350349).

Almost surely, 2^455166169 is an apocalyptic number.

It is an amenable number.

455166169 is a deficient number, since it is larger than the sum of its proper divisors (6235227).

455166169 is an equidigital number, since it uses as much as digits as its factorization.

455166169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6235226.

The product of its digits is 194400, while the sum is 43.

The square root of 455166169 is about 21334.6237135788. The cubic root of 455166169 is about 769.2307880238.

The spelling of 455166169 in words is "four hundred fifty-five million, one hundred sixty-six thousand, one hundred sixty-nine".