455966165 has 4 divisors (see below), whose sum is σ = 547159404. Its totient is φ = 364772928.

The previous prime is 455966149. The next prime is 455966171. The reversal of 455966165 is 561669554.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 561669554 = 2 ⋅280834777.

It can be written as a sum of positive squares in 2 ways, for example, as 56685841 + 399280324 = 7529^2 + 19982^2 .

It is a cyclic number.

It is not a de Polignac number, because 455966165 - 2⁴ = 455966149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45596612 + ... + 45596621.

It is an arithmetic number, because the mean of its divisors is an integer number (136789851).

Almost surely, 2^455966165 is an apocalyptic number.

It is an amenable number.

455966165 is a deficient number, since it is larger than the sum of its proper divisors (91193239).

455966165 is an equidigital number, since it uses as much as digits as its factorization.

455966165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91193238.

The product of its digits is 972000, while the sum is 47.

The square root of 455966165 is about 21353.3642548428. The cubic root of 455966165 is about 769.6811886448.

The spelling of 455966165 in words is "four hundred fifty-five million, nine hundred sixty-six thousand, one hundred sixty-five".