16696278479 has 2 divisors, whose sum is σ = 16696278480. Its totient is φ = 16696278478.

The previous prime is 16696278419. The next prime is 16696278491. The reversal of 16696278479 is 97487269661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16696278479 - 2³² = 12401311183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16696278419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8348139239 + 8348139240.

It is an arithmetic number, because the mean of its divisors is an integer number (8348139240).

Almost surely, 2^16696278479 is an apocalyptic number.

16696278479 is a deficient number, since it is larger than the sum of its proper divisors (1).

16696278479 is an equidigital number, since it uses as much as digits as its factorization.

16696278479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54867456, while the sum is 65.

The spelling of 16696278479 in words is "sixteen billion, six hundred ninety-six million, two hundred seventy-eight thousand, four hundred seventy-nine".