516415365 has 16 divisors (see below), whose sum is σ = 918072000. Its totient is φ = 275421456.

The previous prime is 516415363. The next prime is 516415373. The reversal of 516415365 is 563514615.

516415365 is a `hidden beast` number, since 5 + 1 + 641 + 5 + 3 + 6 + 5 = 666.

It is not a de Polignac number, because 516415365 - 2¹ = 516415363 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516415363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1912515 + ... + 1912784.

It is an arithmetic number, because the mean of its divisors is an integer number (57379500).

Almost surely, 2^516415365 is an apocalyptic number.

It is an amenable number.

516415365 is a deficient number, since it is larger than the sum of its proper divisors (401656635).

516415365 is a wasteful number, since it uses less digits than its factorization.

516415365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3825313 (or 3825307 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 516415365 is about 22724.7742563045. The cubic root of 516415365 is about 802.2930901627.

The spelling of 516415365 in words is "five hundred sixteen million, four hundred fifteen thousand, three hundred sixty-five".