1146540663 has 20 divisors (see below), whose sum is σ = 1717444960. Its totient is φ = 762257952.

The previous prime is 1146540613. The next prime is 1146540683. The reversal of 1146540663 is 3660456411.

It is a happy number.

1146540663 is a `hidden beast` number, since 11 + 46 + 540 + 6 + 63 = 666.

It is not a de Polignac number, because 1146540663 - 2²⁹ = 609669751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146540613) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10443 + ... + 49011.

It is an arithmetic number, because the mean of its divisors is an integer number (85872248).

Almost surely, 2^1146540663 is an apocalyptic number.

1146540663 is a deficient number, since it is larger than the sum of its proper divisors (570904297).

1146540663 is an equidigital number, since it uses as much as digits as its factorization.

1146540663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38948 (or 38939 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 1146540663 is about 33860.6063590125. The cubic root of 1146540663 is about 1046.6379730437.

The spelling of 1146540663 in words is "one billion, one hundred forty-six million, five hundred forty thousand, six hundred sixty-three".