1146641663 has 2 divisors, whose sum is σ = 1146641664. Its totient is φ = 1146641662.

The previous prime is 1146641567. The next prime is 1146641669. The reversal of 1146641663 is 3661466411.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (3661466411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1146641663 - 2⁸ = 1146641407 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1146641669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573320831 + 573320832.

It is an arithmetic number, because the mean of its divisors is an integer number (573320832).

Almost surely, 2^1146641663 is an apocalyptic number.

1146641663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1146641663 is an equidigital number, since it uses as much as digits as its factorization.

1146641663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 38.

The square root of 1146641663 is about 33862.0977347831. The cubic root of 1146641663 is about 1046.6687052962.

The spelling of 1146641663 in words is "one billion, one hundred forty-six million, six hundred forty-one thousand, six hundred sixty-three".