516693820 has 24 divisors (see below), whose sum is σ = 1105532064. Its totient is φ = 202777536.

The previous prime is 516693817. The next prime is 516693829. The reversal of 516693820 is 28396615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516693829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242664 + ... + 244783.

It is an arithmetic number, because the mean of its divisors is an integer number (46063836).

Almost surely, 2^516693820 is an apocalyptic number.

It is an amenable number.

516693820 is an abundant number, since it is smaller than the sum of its proper divisors (588838244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

516693820 is a wasteful number, since it uses less digits than its factorization.

516693820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487509 (or 487507 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 516693820 is about 22730.9001141618. The cubic root of 516693820 is about 802.4372650499.

The spelling of 516693820 in words is "five hundred sixteen million, six hundred ninety-three thousand, eight hundred twenty".