2660260111567 has 2 divisors, whose sum is σ = 2660260111568. Its totient is φ = 2660260111566.

The previous prime is 2660260111549. The next prime is 2660260111573. The reversal of 2660260111567 is 7651110620662.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2660260111567 is a prime.

It is a super-2 number, since 2×2660260111567² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2660260111367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1330130055783 + 1330130055784.

It is an arithmetic number, because the mean of its divisors is an integer number (1330130055784).

Almost surely, 2^{2660260111567} is an apocalyptic number.

2660260111567 is a deficient number, since it is larger than the sum of its proper divisors (1).

2660260111567 is an equidigital number, since it uses as much as digits as its factorization.

2660260111567 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 2660260111567 in words is "two trillion, six hundred sixty billion, two hundred sixty million, one hundred eleven thousand, five hundred sixty-seven".