516566064 has 40 divisors (see below), whose sum is σ = 1525100800. Its totient is φ = 147590208.

The previous prime is 516566059. The next prime is 516566087. The reversal of 516566064 is 460665615.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 768364 + ... + 769035.

It is an arithmetic number, because the mean of its divisors is an integer number (38127520).

Almost surely, 2^516566064 is an apocalyptic number.

It is an amenable number.

516566064 is an abundant number, since it is smaller than the sum of its proper divisors (1008534736).

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

516566064 is a wasteful number, since it uses less digits than its factorization.

516566064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537417 (or 1537411 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 516566064 is about 22728.0897569505. The cubic root of 516566064 is about 802.3711236062.

It can be divided in two parts, 516 and 566064, that added together give a triangular number (566580 = T₁₀₆₄).

The spelling of 516566064 in words is "five hundred sixteen million, five hundred sixty-six thousand, sixty-four".