16268842507 has 2 divisors, whose sum is σ = 16268842508. Its totient is φ = 16268842506.

The previous prime is 16268842483. The next prime is 16268842519. The reversal of 16268842507 is 70524886261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16268842507 - 2¹⁹ = 16268318219 is a prime.

It is not a weakly prime, because it can be changed into another prime (16268842537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8134421253 + 8134421254.

It is an arithmetic number, because the mean of its divisors is an integer number (8134421254).

Almost surely, 2^16268842507 is an apocalyptic number.

16268842507 is a deficient number, since it is larger than the sum of its proper divisors (1).

16268842507 is an equidigital number, since it uses as much as digits as its factorization.

16268842507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 16268842507 in words is "sixteen billion, two hundred sixty-eight million, eight hundred forty-two thousand, five hundred seven".