1040666666 has 16 divisors (see below), whose sum is σ = 1681691424. Its totient is φ = 480132144.

The previous prime is 1040666657. The next prime is 1040666677. The reversal of 1040666666 is 6666660401.

It is a super-4 number, since 4×1040666666⁴ (a number of 37 digits) contains 4444 as substring.

1040666666 is a modest number, since divided by 66666 gives 10406 as remainder.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 89225 + ... + 100211.

It is an arithmetic number, because the mean of its divisors is an integer number (105105714).

Almost surely, 2^1040666666 is an apocalyptic number.

1040666666 is a deficient number, since it is larger than the sum of its proper divisors (641024758).

1040666666 is a wasteful number, since it uses less digits than its factorization.

1040666666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14645.

The product of its (nonzero) digits is 186624, while the sum is 41.

The square root of 1040666666 is about 32259.3655548276. The cubic root of 1040666666 is about 1013.3758444144.

The spelling of 1040666666 in words is "one billion, forty million, six hundred sixty-six thousand, six hundred sixty-six".