16440015079 has 2 divisors, whose sum is σ = 16440015080. Its totient is φ = 16440015078.

The previous prime is 16440015017. The next prime is 16440015083. The reversal of 16440015079 is 97051004461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16440015079 - 2¹⁹ = 16439490791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16440915079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8220007539 + 8220007540.

It is an arithmetic number, because the mean of its divisors is an integer number (8220007540).

Almost surely, 2^16440015079 is an apocalyptic number.

16440015079 is a deficient number, since it is larger than the sum of its proper divisors (1).

16440015079 is an equidigital number, since it uses as much as digits as its factorization.

16440015079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 16440015079 in words is "sixteen billion, four hundred forty million, fifteen thousand, seventy-nine".