12366916873 has 4 divisors (see below), whose sum is σ = 12368733588. Its totient is φ = 12365100160.

The previous prime is 12366916871. The next prime is 12366916907. The reversal of 12366916873 is 37861966321.

It is a happy number.

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 5786949184 + 6579967689 = 76072^2 + 81117^2 .

It is a cyclic number.

It is not a de Polignac number, because 12366916873 - 2¹ = 12366916871 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12366916873.

It is not an unprimeable number, because it can be changed into a prime (12366916871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 898108 + ... + 911773.

It is an arithmetic number, because the mean of its divisors is an integer number (3092183397).

Almost surely, 2^12366916873 is an apocalyptic number.

It is an amenable number.

12366916873 is a deficient number, since it is larger than the sum of its proper divisors (1816715).

12366916873 is an equidigital number, since it uses as much as digits as its factorization.

12366916873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816714.

The product of its digits is 1959552, while the sum is 52.

The spelling of 12366916873 in words is "twelve billion, three hundred sixty-six million, nine hundred sixteen thousand, eight hundred seventy-three".