1665445482495 has 24 divisors (see below), whose sum is σ = 2888643172896. Its totient is φ = 887661897408.

The previous prime is 1665445482469. The next prime is 1665445482497. The reversal of 1665445482495 is 5942845445661.

1665445482495 is a `hidden beast` number, since 1 + 6 + 6 + 5 + 44 + 548 + 2 + 49 + 5 = 666.

It is not a de Polignac number, because 1665445482495 - 2¹⁵ = 1665445449727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1665445482497) 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 23 ways as a sum of consecutive naturals, for example, 11923404 + ... + 12062273.

It is an arithmetic number, because the mean of its divisors is an integer number (120360132204).

Almost surely, 2^{1665445482495} is an apocalyptic number.

1665445482495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1665445482495 is a deficient number, since it is larger than the sum of its proper divisors (1223197690401).

1665445482495 is a wasteful number, since it uses less digits than its factorization.

1665445482495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23987231 (or 23987228 counting only the distinct ones).

The product of its digits is 165888000, while the sum is 63.

The spelling of 1665445482495 in words is "one trillion, six hundred sixty-five billion, four hundred forty-five million, four hundred eighty-two thousand, four hundred ninety-five".