2631066166423 has 2 divisors, whose sum is σ = 2631066166424. Its totient is φ = 2631066166422.

The previous prime is 2631066166321. The next prime is 2631066166441. The reversal of 2631066166423 is 3246616601362.

2631066166423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2631066166423 - 2³³ = 2622476231831 is a prime.

It is a super-2 number, since 2×2631066166423² (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 (2631066166453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1315533083211 + 1315533083212.

It is an arithmetic number, because the mean of its divisors is an integer number (1315533083212).

Almost surely, 2^{2631066166423} is an apocalyptic number.

2631066166423 is a deficient number, since it is larger than the sum of its proper divisors (1).

2631066166423 is an equidigital number, since it uses as much as digits as its factorization.

2631066166423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1119744, while the sum is 46.

The spelling of 2631066166423 in words is "two trillion, six hundred thirty-one billion, sixty-six million, one hundred sixty-six thousand, four hundred twenty-three".