16026603997 has 2 divisors, whose sum is σ = 16026603998. Its totient is φ = 16026603996.

The previous prime is 16026603979. The next prime is 16026604093. The reversal of 16026603997 is 79930662061.

Together with previous prime (16026603979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15792697561 + 233906436 = 125669^2 + 15294^2 .

It is an emirp because it is prime and its reverse (79930662061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16026603997 - 2⁷ = 16026603869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16026603997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16026603907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8013301998 + 8013301999.

It is an arithmetic number, because the mean of its divisors is an integer number (8013301999).

Almost surely, 2^16026603997 is an apocalyptic number.

It is an amenable number.

16026603997 is a deficient number, since it is larger than the sum of its proper divisors (1).

16026603997 is an equidigital number, since it uses as much as digits as its factorization.

16026603997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 734832, while the sum is 49.

The spelling of 16026603997 in words is "sixteen billion, twenty-six million, six hundred three thousand, nine hundred ninety-seven".