16678702279 has 2 divisors, whose sum is σ = 16678702280. Its totient is φ = 16678702278.

The previous prime is 16678702267. The next prime is 16678702291. The reversal of 16678702279 is 97220787661.

It is a balanced prime because it is at equal distance from previous prime (16678702267) and next prime (16678702291).

It is a cyclic number.

It is not a de Polignac number, because 16678702279 - 2²⁹ = 16141831367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16678702219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8339351139 + 8339351140.

It is an arithmetic number, because the mean of its divisors is an integer number (8339351140).

Almost surely, 2^16678702279 is an apocalyptic number.

16678702279 is a deficient number, since it is larger than the sum of its proper divisors (1).

16678702279 is an equidigital number, since it uses as much as digits as its factorization.

16678702279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3556224, while the sum is 55.

The spelling of 16678702279 in words is "sixteen billion, six hundred seventy-eight million, seven hundred two thousand, two hundred seventy-nine".