516626564 has 6 divisors (see below), whose sum is σ = 904096494. Its totient is φ = 258313280.

The previous prime is 516626543. The next prime is 516626567. The reversal of 516626564 is 465626615.

It can be written as a sum of positive squares in only one way, i.e., 505350400 + 11276164 = 22480^2 + 3358^2 .

It is not an unprimeable number, because it can be changed into a prime (516626567) by changing a digit.

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 as a sum of consecutive naturals, namely, 64578317 + ... + 64578324.

It is an arithmetic number, because the mean of its divisors is an integer number (150682749).

Almost surely, 2^516626564 is an apocalyptic number.

It is an amenable number.

516626564 is a deficient number, since it is larger than the sum of its proper divisors (387469930).

516626564 is a wasteful number, since it uses less digits than its factorization.

516626564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129156645 (or 129156643 counting only the distinct ones).

The product of its digits is 259200, while the sum is 41.

The square root of 516626564 is about 22729.4206701359. The cubic root of 516626564 is about 802.4024468394.

The spelling of 516626564 in words is "five hundred sixteen million, six hundred twenty-six thousand, five hundred sixty-four".