516402318 has 8 divisors (see below), whose sum is σ = 1032804648. Its totient is φ = 172134104.

The previous prime is 516402317. The next prime is 516402323. The reversal of 516402318 is 813204615.

It is a sphenic number, since it is the product of 3 distinct primes.

516402318 is an admirable number.

It is a super-4 number, since 4×516402318⁴ (a number of 36 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516402317) 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 3 ways as a sum of consecutive naturals, for example, 43033521 + ... + 43033532.

It is an arithmetic number, because the mean of its divisors is an integer number (129100581).

Almost surely, 2^516402318 is an apocalyptic number.

516402318 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

516402318 is a wasteful number, since it uses less digits than its factorization.

516402318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86067058.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 516402318 is about 22724.4871889334. The cubic root of 516402318 is about 802.2863335821.

The spelling of 516402318 in words is "five hundred sixteen million, four hundred two thousand, three hundred eighteen".