1166090747 has 2 divisors, whose sum is σ = 1166090748. Its totient is φ = 1166090746.

The previous prime is 1166090689. The next prime is 1166090749. The reversal of 1166090747 is 7470906611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1166090747 - 2⁸ = 1166090491 is a prime.

Together with 1166090749, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1166090749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583045373 + 583045374.

It is an arithmetic number, because the mean of its divisors is an integer number (583045374).

Almost surely, 2^1166090747 is an apocalyptic number.

1166090747 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166090747 is an equidigital number, since it uses as much as digits as its factorization.

1166090747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 1166090747 is about 34148.0709118392. The cubic root of 1166090747 is about 1052.5533465399.

The spelling of 1166090747 in words is "one billion, one hundred sixty-six million, ninety thousand, seven hundred forty-seven".