16660264242607 has 2 divisors, whose sum is σ = 16660264242608. Its totient is φ = 16660264242606.

The previous prime is 16660264242541. The next prime is 16660264242689. The reversal of 16660264242607 is 70624246206661.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16660264242607 - 2²³ = 16660255853999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16660264242107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8330132121303 + 8330132121304.

It is an arithmetic number, because the mean of its divisors is an integer number (8330132121304).

Almost surely, 2^{16660264242607} is an apocalyptic number.

16660264242607 is a deficient number, since it is larger than the sum of its proper divisors (1).

16660264242607 is an equidigital number, since it uses as much as digits as its factorization.

16660264242607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6967296, while the sum is 52.

The spelling of 16660264242607 in words is "sixteen trillion, six hundred sixty billion, two hundred sixty-four million, two hundred forty-two thousand, six hundred seven".