1006116665 has 8 divisors (see below), whose sum is σ = 1208537928. Its totient is φ = 804094720.

The previous prime is 1006116659. The next prime is 1006116697. The reversal of 1006116665 is 5666116001.

It can be written as a sum of positive squares in 4 ways, for example, as 33674809 + 972441856 = 5803^2 + 31184^2 .

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

It is not a de Polignac number, because 1006116665 - 2⁸ = 1006116409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 94256 + ... + 104385.

It is an arithmetic number, because the mean of its divisors is an integer number (151067241).

Almost surely, 2^1006116665 is an apocalyptic number.

It is an amenable number.

1006116665 is a deficient number, since it is larger than the sum of its proper divisors (202421263).

1006116665 is a wasteful number, since it uses less digits than its factorization.

1006116665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199659.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 1006116665 is about 31719.3421274780. The cubic root of 1006116665 is about 1002.0347453367.

The spelling of 1006116665 in words is "one billion, six million, one hundred sixteen thousand, six hundred sixty-five".