1166303687 has 2 divisors, whose sum is σ = 1166303688. Its totient is φ = 1166303686.

The previous prime is 1166303629. The next prime is 1166303689. The reversal of 1166303687 is 7863036611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1166303687 - 2²² = 1162109383 is a prime.

Together with 1166303689, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1166303689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583151843 + 583151844.

It is an arithmetic number, because the mean of its divisors is an integer number (583151844).

Almost surely, 2^1166303687 is an apocalyptic number.

1166303687 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166303687 is an equidigital number, since it uses as much as digits as its factorization.

1166303687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 1166303687 is about 34151.1886615971. The cubic root of 1166303687 is about 1052.6174116134.

The spelling of 1166303687 in words is "one billion, one hundred sixty-six million, three hundred three thousand, six hundred eighty-seven".