516920110421 has 16 divisors (see below), whose sum is σ = 609710286528. Its totient is φ = 432050880000.

The previous prime is 516920110417. The next prime is 516920110429. The reversal of 516920110421 is 124011029615.

It is a cyclic number.

It is not a de Polignac number, because 516920110421 - 2² = 516920110417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516920110429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7164956 + ... + 7236741.

It is an arithmetic number, because the mean of its divisors is an integer number (38106892908).

Almost surely, 2^516920110421 is an apocalyptic number.

It is an amenable number.

516920110421 is a deficient number, since it is larger than the sum of its proper divisors (92790176107).

516920110421 is a wasteful number, since it uses less digits than its factorization.

516920110421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14401972.

The product of its (nonzero) digits is 4320, while the sum is 32.

The spelling of 516920110421 in words is "five hundred sixteen billion, nine hundred twenty million, one hundred ten thousand, four hundred twenty-one".