1045682666 has 8 divisors (see below), whose sum is σ = 1792598880. Its totient is φ = 448149708.

The previous prime is 1045682663. The next prime is 1045682681. The reversal of 1045682666 is 6662865401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1045682663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37345796 + ... + 37345823.

It is an arithmetic number, because the mean of its divisors is an integer number (224074860).

Almost surely, 2^1045682666 is an apocalyptic number.

1045682666 is a deficient number, since it is larger than the sum of its proper divisors (746916214).

1045682666 is an equidigital number, since it uses as much as digits as its factorization.

1045682666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74691628.

The product of its (nonzero) digits is 414720, while the sum is 44.

The square root of 1045682666 is about 32337.0169619896. The cubic root of 1045682666 is about 1015.0013883680.

The spelling of 1045682666 in words is "one billion, forty-five million, six hundred eighty-two thousand, six hundred sixty-six".