1000516665 has 8 divisors (see below), whose sum is σ = 1600826688. Its totient is φ = 533608880.

The previous prime is 1000516651. The next prime is 1000516697. The reversal of 1000516665 is 5666150001.

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

It is not a de Polignac number, because 1000516665 - 2⁵ = 1000516633 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33350541 + ... + 33350570.

It is an arithmetic number, because the mean of its divisors is an integer number (200103336).

Almost surely, 2^1000516665 is an apocalyptic number.

1000516665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1000516665 is a deficient number, since it is larger than the sum of its proper divisors (600310023).

1000516665 is an equidigital number, since it uses as much as digits as its factorization.

1000516665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66701119.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 1000516665 is about 31630.9447377090. The cubic root of 1000516665 is about 1000.1721920149.

Adding to 1000516665 its reverse (5666150001), we get a palindrome (6666666666).

The spelling of 1000516665 in words is "one billion, five hundred sixteen thousand, six hundred sixty-five".