516366423 has 12 divisors (see below), whose sum is σ = 764054928. Its totient is φ = 335847840.

The previous prime is 516366391. The next prime is 516366427. The reversal of 516366423 is 324663615.

516366423 is a `hidden beast` number, since 5 + 1 + 6 + 3 + 6 + 642 + 3 = 666.

It is not a de Polignac number, because 516366423 - 2⁵ = 516366391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516366427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 699315 + ... + 700052.

It is an arithmetic number, because the mean of its divisors is an integer number (63671244).

Almost surely, 2^516366423 is an apocalyptic number.

516366423 is a deficient number, since it is larger than the sum of its proper divisors (247688505).

516366423 is a wasteful number, since it uses less digits than its factorization.

516366423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399414 (or 1399411 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 516366423 is about 22723.6973884093. The cubic root of 516366423 is about 802.2677442418.

The spelling of 516366423 in words is "five hundred sixteen million, three hundred sixty-six thousand, four hundred twenty-three".