1166551050463 has 2 divisors, whose sum is σ = 1166551050464. Its totient is φ = 1166551050462.

The previous prime is 1166551050449. The next prime is 1166551050529. The reversal of 1166551050463 is 3640501556611.

It is a weak prime.

It is an emirp because it is prime and its reverse (3640501556611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1166551050463 - 2¹³ = 1166551042271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1166551050563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583275525231 + 583275525232.

It is an arithmetic number, because the mean of its divisors is an integer number (583275525232).

Almost surely, 2^{1166551050463} is an apocalyptic number.

1166551050463 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166551050463 is an equidigital number, since it uses as much as digits as its factorization.

1166551050463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324000, while the sum is 43.

The spelling of 1166551050463 in words is "one trillion, one hundred sixty-six billion, five hundred fifty-one million, fifty thousand, four hundred sixty-three".