1168985699 has 12 divisors (see below), whose sum is σ = 1361027304. Its totient is φ = 1001113344.

The previous prime is 1168985693. The next prime is 1168985711. The reversal of 1168985699 is 9965898611.

It is a de Polignac number, because none of the positive numbers 2^k-1168985699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1168985693) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49832 + ... + 69434.

It is an arithmetic number, because the mean of its divisors is an integer number (113418942).

Almost surely, 2^1168985699 is an apocalyptic number.

1168985699 is a deficient number, since it is larger than the sum of its proper divisors (192041605).

1168985699 is a wasteful number, since it uses less digits than its factorization.

1168985699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20834 (or 20827 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 62.

The square root of 1168985699 is about 34190.4328577455. The cubic root of 1168985699 is about 1053.4236542505.

The spelling of 1168985699 in words is "one billion, one hundred sixty-eight million, nine hundred eighty-five thousand, six hundred ninety-nine".