1045612666 has 24 divisors (see below), whose sum is σ = 1863314496. Its totient is φ = 438583320.

The previous prime is 1045612663. The next prime is 1045612679. The reversal of 1045612666 is 6662165401.

It is not an unprimeable number, because it can be changed into a prime (1045612663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108900 + ... + 118111.

It is an arithmetic number, because the mean of its divisors is an integer number (77638104).

Almost surely, 2^1045612666 is an apocalyptic number.

1045612666 is a deficient number, since it is larger than the sum of its proper divisors (817701830).

1045612666 is a wasteful number, since it uses less digits than its factorization.

1045612666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227074 (or 227067 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 1045612666 is about 32335.9345929571. The cubic root of 1045612666 is about 1014.9787391504.

The spelling of 1045612666 in words is "one billion, forty-five million, six hundred twelve thousand, six hundred sixty-six".