516660064 has 12 divisors (see below), whose sum is σ = 1017174564. Its totient is φ = 258330016.

The previous prime is 516660061. The next prime is 516660083. The reversal of 516660064 is 460066615.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516660061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8072782 + ... + 8072845.

It is an arithmetic number, because the mean of its divisors is an integer number (84764547).

Almost surely, 2^516660064 is an apocalyptic number.

It is an amenable number.

516660064 is a deficient number, since it is larger than the sum of its proper divisors (500514500).

516660064 is a wasteful number, since it uses less digits than its factorization.

516660064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16145637 (or 16145629 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 516660064 is about 22730.1575885430. The cubic root of 516660064 is about 802.4197900572.

The spelling of 516660064 in words is "five hundred sixteen million, six hundred sixty thousand, sixty-four".