516939818 has 16 divisors (see below), whose sum is σ = 810562560. Its totient is φ = 246963600.

The previous prime is 516939751. The next prime is 516939883. The reversal of 516939818 is 818939615.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47873 + ... + 57668.

It is an arithmetic number, because the mean of its divisors is an integer number (50660160).

Almost surely, 2^516939818 is an apocalyptic number.

516939818 is a deficient number, since it is larger than the sum of its proper divisors (293622742).

516939818 is a wasteful number, since it uses less digits than its factorization.

516939818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105653.

The product of its digits is 466560, while the sum is 50.

The square root of 516939818 is about 22736.3105626221. The cubic root of 516939818 is about 802.5645916767.

The spelling of 516939818 in words is "five hundred sixteen million, nine hundred thirty-nine thousand, eight hundred eighteen".