516566416 has 20 divisors (see below), whose sum is σ = 1001687500. Its totient is φ = 258066432.

The previous prime is 516566411. The next prime is 516566429. The reversal of 516566416 is 614665615.

It can be written as a sum of positive squares in 2 ways, for example, as 79923600 + 436642816 = 8940^2 + 20896^2 .

It is not an unprimeable number, because it can be changed into a prime (516566411) 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, 7060 + ... + 32908.

It is an arithmetic number, because the mean of its divisors is an integer number (50084375).

Almost surely, 2^516566416 is an apocalyptic number.

It is an amenable number.

516566416 is a deficient number, since it is larger than the sum of its proper divisors (485121084).

516566416 is a wasteful number, since it uses less digits than its factorization.

516566416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27106 (or 27100 counting only the distinct ones).

The product of its digits is 129600, while the sum is 40.

The square root of 516566416 is about 22728.0975006708. The cubic root of 516566416 is about 802.3713058575.

The spelling of 516566416 in words is "five hundred sixteen million, five hundred sixty-six thousand, four hundred sixteen".