516651011 has 4 divisors (see below), whose sum is σ = 517257552. Its totient is φ = 516044472.

The previous prime is 516650999. The next prime is 516651071. The reversal of 516651011 is 110156615.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 516651011 - 2⁶ = 516650947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (516651071) 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, 301991 + ... + 303696.

It is an arithmetic number, because the mean of its divisors is an integer number (129314388).

Almost surely, 2^516651011 is an apocalyptic number.

516651011 is a deficient number, since it is larger than the sum of its proper divisors (606541).

516651011 is an equidigital number, since it uses as much as digits as its factorization.

516651011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606540.

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 516651011 is about 22729.9584469484. The cubic root of 516651011 is about 802.4151033207.

The spelling of 516651011 in words is "five hundred sixteen million, six hundred fifty-one thousand, eleven".