16866853294 has 12 divisors (see below), whose sum is σ = 25661656152. Its totient is φ = 8314641020.

The previous prime is 16866853291. The next prime is 16866853321. The reversal of 16866853294 is 49235866861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16866853291) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 826402 + ... + 846565.

It is an arithmetic number, because the mean of its divisors is an integer number (2138471346).

Almost surely, 2^16866853294 is an apocalyptic number.

16866853294 is a deficient number, since it is larger than the sum of its proper divisors (8794802858).

16866853294 is an equidigital number, since it uses as much as digits as its factorization.

16866853294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673111 (or 1673040 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 58.

The spelling of 16866853294 in words is "sixteen billion, eight hundred sixty-six million, eight hundred fifty-three thousand, two hundred ninety-four".