516820364 has 6 divisors (see below), whose sum is σ = 904435644. Its totient is φ = 258410180.

The previous prime is 516820361. The next prime is 516820393. The reversal of 516820364 is 463028615.

It is not an unprimeable number, because it can be changed into a prime (516820361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64602542 + ... + 64602549.

It is an arithmetic number, because the mean of its divisors is an integer number (150739274).

Almost surely, 2^516820364 is an apocalyptic number.

It is an amenable number.

516820364 is a deficient number, since it is larger than the sum of its proper divisors (387615280).

516820364 is a wasteful number, since it uses less digits than its factorization.

516820364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129205095 (or 129205093 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 516820364 is about 22733.6834674894. The cubic root of 516820364 is about 802.5027682736.

Adding to 516820364 its reverse (463028615), we get a palindrome (979848979).

The spelling of 516820364 in words is "five hundred sixteen million, eight hundred twenty thousand, three hundred sixty-four".