16696278343 has 2 divisors, whose sum is σ = 16696278344. Its totient is φ = 16696278342.

The previous prime is 16696278331. The next prime is 16696278383. The reversal of 16696278343 is 34387269661.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16696278343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16696278383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8348139171 + 8348139172.

It is an arithmetic number, because the mean of its divisors is an integer number (8348139172).

Almost surely, 2^16696278343 is an apocalyptic number.

16696278343 is a deficient number, since it is larger than the sum of its proper divisors (1).

16696278343 is an equidigital number, since it uses as much as digits as its factorization.

16696278343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7838208, while the sum is 55.

The spelling of 16696278343 in words is "sixteen billion, six hundred ninety-six million, two hundred seventy-eight thousand, three hundred forty-three".