16773441065 has 8 divisors (see below), whose sum is σ = 20672133000. Its totient is φ = 13056083712.

The previous prime is 16773441037. The next prime is 16773441071. The reversal of 16773441065 is 56014437761.

It can be written as a sum of positive squares in 4 ways, for example, as 5659853824 + 11113587241 = 75232^2 + 105421^2 .

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 16773441065 - 2⁸ = 16773440809 is a prime.

It is a super-2 number, since 2×16773441065² (a number of 21 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 45333440 + ... + 45333809.

It is an arithmetic number, because the mean of its divisors is an integer number (2584016625).

Almost surely, 2^16773441065 is an apocalyptic number.

It is an amenable number.

16773441065 is a deficient number, since it is larger than the sum of its proper divisors (3898691935).

16773441065 is an equidigital number, since it uses as much as digits as its factorization.

16773441065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90667291.

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 16773441065 in words is "sixteen billion, seven hundred seventy-three million, four hundred forty-one thousand, sixty-five".