16372308769 has 2 divisors, whose sum is σ = 16372308770. Its totient is φ = 16372308768.

The previous prime is 16372308761. The next prime is 16372308793. The reversal of 16372308769 is 96780327361.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9232903744 + 7139405025 = 96088^2 + 84495^2 .

It is a cyclic number.

It is not a de Polignac number, because 16372308769 - 2³ = 16372308761 is a prime.

It is a super-2 number, since 2×16372308769² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16372308761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8186154384 + 8186154385.

It is an arithmetic number, because the mean of its divisors is an integer number (8186154385).

Almost surely, 2^16372308769 is an apocalyptic number.

It is an amenable number.

16372308769 is a deficient number, since it is larger than the sum of its proper divisors (1).

16372308769 is an equidigital number, since it uses as much as digits as its factorization.

16372308769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2286144, while the sum is 52.

The spelling of 16372308769 in words is "sixteen billion, three hundred seventy-two million, three hundred eight thousand, seven hundred sixty-nine".