1166933863 has 2 divisors, whose sum is σ = 1166933864. Its totient is φ = 1166933862.

The previous prime is 1166933797. The next prime is 1166933881. The reversal of 1166933863 is 3683396611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1166933863 - 2²¹ = 1164836711 is a prime.

It is a super-2 number, since 2×1166933863² = 2723469281232205538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1166933063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583466931 + 583466932.

It is an arithmetic number, because the mean of its divisors is an integer number (583466932).

Almost surely, 2^1166933863 is an apocalyptic number.

1166933863 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166933863 is an equidigital number, since it uses as much as digits as its factorization.

1166933863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 419904, while the sum is 46.

The square root of 1166933863 is about 34160.4136830923. The cubic root of 1166933863 is about 1052.8069605284.

The spelling of 1166933863 in words is "one billion, one hundred sixty-six million, nine hundred thirty-three thousand, eight hundred sixty-three".