516540662643 has 16 divisors (see below), whose sum is σ = 699491902976. Its totient is φ = 338982161760.

The previous prime is 516540662587. The next prime is 516540662647. The reversal of 516540662643 is 346266045615.

It is not a de Polignac number, because 516540662643 - 2⁶ = 516540662579 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 516540662592 and 516540662601.

It is not an unprimeable number, because it can be changed into a prime (516540662647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 616948 + ... + 1188993.

It is an arithmetic number, because the mean of its divisors is an integer number (43718243936).

Almost surely, 2^516540662643 is an apocalyptic number.

516540662643 is a deficient number, since it is larger than the sum of its proper divisors (182951240333).

516540662643 is a wasteful number, since it uses less digits than its factorization.

516540662643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807434.

The product of its (nonzero) digits is 3110400, while the sum is 48.

The spelling of 516540662643 in words is "five hundred sixteen billion, five hundred forty million, six hundred sixty-two thousand, six hundred forty-three".