516666011 has 4 divisors (see below), whose sum is σ = 524377512. Its totient is φ = 508954512.

The previous prime is 516665999. The next prime is 516666013. The reversal of 516666011 is 110666615.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110666615 = 5 ⋅22133323.

It is a de Polignac number, because none of the positive numbers 2^k-516666011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (516666013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3855650 + ... + 3855783.

It is an arithmetic number, because the mean of its divisors is an integer number (131094378).

Almost surely, 2^516666011 is an apocalyptic number.

516666011 is a deficient number, since it is larger than the sum of its proper divisors (7711501).

516666011 is an equidigital number, since it uses as much as digits as its factorization.

516666011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7711500.

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

The square root of 516666011 is about 22730.2884055614. The cubic root of 516666011 is about 802.4228687883.

The spelling of 516666011 in words is "five hundred sixteen million, six hundred sixty-six thousand, eleven".