16616011723 has 2 divisors, whose sum is σ = 16616011724. Its totient is φ = 16616011722.

The previous prime is 16616011697. The next prime is 16616011733. The reversal of 16616011723 is 32711061661.

It is a strong prime.

It is an emirp because it is prime and its reverse (32711061661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16616011723 - 2¹⁷ = 16615880651 is a prime.

It is not a weakly prime, because it can be changed into another prime (16616011733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8308005861 + 8308005862.

It is an arithmetic number, because the mean of its divisors is an integer number (8308005862).

Almost surely, 2^16616011723 is an apocalyptic number.

16616011723 is a deficient number, since it is larger than the sum of its proper divisors (1).

16616011723 is an equidigital number, since it uses as much as digits as its factorization.

16616011723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The spelling of 16616011723 in words is "sixteen billion, six hundred sixteen million, eleven thousand, seven hundred twenty-three".