516551660 has 24 divisors (see below), whose sum is σ = 1102544016. Its totient is φ = 203232960.

The previous prime is 516551627. The next prime is 516551699. The reversal of 516551660 is 66155615.

It is a self number, because there is not a number n which added to its sum of digits gives 516551660.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210482 + ... + 212921.

It is an arithmetic number, because the mean of its divisors is an integer number (45939334).

Almost surely, 2^516551660 is an apocalyptic number.

It is an amenable number.

516551660 is an abundant number, since it is smaller than the sum of its proper divisors (585992356).

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

516551660 is a wasteful number, since it uses less digits than its factorization.

516551660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423473 (or 423471 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 516551660 is about 22727.7728781330. The cubic root of 516551660 is about 802.3636657275.

The spelling of 516551660 in words is "five hundred sixteen million, five hundred fifty-one thousand, six hundred sixty".