1066554363263 has 2 divisors, whose sum is σ = 1066554363264. Its totient is φ = 1066554363262.

The previous prime is 1066554363253. The next prime is 1066554363307. The reversal of 1066554363263 is 3623634556601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1066554363263 - 2³⁴ = 1049374494079 is a prime.

It is a super-2 number, since 2×1066554363263² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1066554363233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533277181631 + 533277181632.

It is an arithmetic number, because the mean of its divisors is an integer number (533277181632).

Almost surely, 2^{1066554363263} is an apocalyptic number.

1066554363263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066554363263 is an equidigital number, since it uses as much as digits as its factorization.

1066554363263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6998400, while the sum is 50.

The spelling of 1066554363263 in words is "one trillion, sixty-six billion, five hundred fifty-four million, three hundred sixty-three thousand, two hundred sixty-three".