1045053666 has 48 divisors (see below), whose sum is σ = 2325697920. Its totient is φ = 339021600.

The previous prime is 1045053661. The next prime is 1045053707. The reversal of 1045053666 is 6663505401.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1045053666.

It is not an unprimeable number, because it can be changed into a prime (1045053661) 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 in 23 ways as a sum of consecutive naturals, for example, 102391 + ... + 112133.

It is an arithmetic number, because the mean of its divisors is an integer number (48452040).

Almost surely, 2^1045053666 is an apocalyptic number.

1045053666 is an abundant number, since it is smaller than the sum of its proper divisors (1280644254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1045053666 is a wasteful number, since it uses less digits than its factorization.

1045053666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9911 (or 9908 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 1045053666 is about 32327.2898028894. The cubic root of 1045053666 is about 1014.7978326916.

The spelling of 1045053666 in words is "one billion, forty-five million, fifty-three thousand, six hundred sixty-six".