16961422727 has 2 divisors, whose sum is σ = 16961422728. Its totient is φ = 16961422726.

The previous prime is 16961422711. The next prime is 16961422729. The reversal of 16961422727 is 72722416961.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16961422727 - 2⁴ = 16961422711 is a prime.

Together with 16961422729, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16961422729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8480711363 + 8480711364.

It is an arithmetic number, because the mean of its divisors is an integer number (8480711364).

Almost surely, 2^16961422727 is an apocalyptic number.

16961422727 is a deficient number, since it is larger than the sum of its proper divisors (1).

16961422727 is an equidigital number, since it uses as much as digits as its factorization.

16961422727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 47.

The spelling of 16961422727 in words is "sixteen billion, nine hundred sixty-one million, four hundred twenty-two thousand, seven hundred twenty-seven".