516781112 has 16 divisors (see below), whose sum is σ = 1011093840. Its totient is φ = 247156096.

The previous prime is 516781093. The next prime is 516781127. The reversal of 516781112 is 211187615.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1404113 + ... + 1404480.

It is an arithmetic number, because the mean of its divisors is an integer number (63193365).

Almost surely, 2^516781112 is an apocalyptic number.

It is an amenable number.

516781112 is a deficient number, since it is larger than the sum of its proper divisors (494312728).

516781112 is a wasteful number, since it uses less digits than its factorization.

516781112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2808622 (or 2808618 counting only the distinct ones).

The product of its digits is 3360, while the sum is 32.

The square root of 516781112 is about 22732.8201506104. The cubic root of 516781112 is about 802.4824513264.

The spelling of 516781112 in words is "five hundred sixteen million, seven hundred eighty-one thousand, one hundred twelve".