1166493699 has 48 divisors (see below), whose sum is σ = 2002524160. Its totient is φ = 640275840.

The previous prime is 1166493683. The next prime is 1166493701. The reversal of 1166493699 is 9963946611.

1166493699 is a `hidden beast` number, since 1 + 1 + 66 + 493 + 6 + 99 = 666.

It is not a de Polignac number, because 1166493699 - 2⁴ = 1166493683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1166493649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 269319 + ... + 273615.

Almost surely, 2^1166493699 is an apocalyptic number.

1166493699 is a deficient number, since it is larger than the sum of its proper divisors (836030461).

1166493699 is a wasteful number, since it uses less digits than its factorization.

1166493699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4480 (or 4477 counting only the distinct ones).

The product of its digits is 1889568, while the sum is 54.

The square root of 1166493699 is about 34153.9704719671. The cubic root of 1166493699 is about 1052.6745719914.

The spelling of 1166493699 in words is "one billion, one hundred sixty-six million, four hundred ninety-three thousand, six hundred ninety-nine".