266653461613039 has 2 divisors, whose sum is σ = 266653461613040. Its totient is φ = 266653461613038.

The previous prime is 266653461613027. The next prime is 266653461613073. The reversal of 266653461613039 is 930316164356662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 266653461613039 - 2³⁷ = 266516022659567 is a prime.

It is a super-2 number, since 2×266653461613039² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (266653461643039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133326730806519 + 133326730806520.

It is an arithmetic number, because the mean of its divisors is an integer number (133326730806520).

Almost surely, 2^{266653461613039} is an apocalyptic number.

266653461613039 is a deficient number, since it is larger than the sum of its proper divisors (1).

266653461613039 is an equidigital number, since it uses as much as digits as its factorization.

266653461613039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75582720, while the sum is 61.

The spelling of 266653461613039 in words is "two hundred sixty-six trillion, six hundred fifty-three billion, four hundred sixty-one million, six hundred thirteen thousand, thirty-nine".