1166451799 has 2 divisors, whose sum is σ = 1166451800. Its totient is φ = 1166451798.

The previous prime is 1166451773. The next prime is 1166451817. The reversal of 1166451799 is 9971546611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1166451799 - 2¹¹ = 1166449751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1166401799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583225899 + 583225900.

It is an arithmetic number, because the mean of its divisors is an integer number (583225900).

Almost surely, 2^1166451799 is an apocalyptic number.

1166451799 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166451799 is an equidigital number, since it uses as much as digits as its factorization.

1166451799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 49.

The square root of 1166451799 is about 34153.3570677906. The cubic root of 1166451799 is about 1052.6619679534.

The spelling of 1166451799 in words is "one billion, one hundred sixty-six million, four hundred fifty-one thousand, seven hundred ninety-nine".