516166660 has 24 divisors (see below), whose sum is σ = 1100131200. Its totient is φ = 203384544.

The previous prime is 516166657. The next prime is 516166669. The reversal of 516166660 is 66661615.

It is not an unprimeable number, because it can be changed into a prime (516166669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191260 + ... + 193939.

It is an arithmetic number, because the mean of its divisors is an integer number (45838800).

Almost surely, 2^516166660 is an apocalyptic number.

It is an amenable number.

516166660 is an abundant number, since it is smaller than the sum of its proper divisors (583964540).

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

516166660 is a wasteful number, since it uses less digits than its factorization.

516166660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385275 (or 385273 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 516166660 is about 22719.3014857411. The cubic root of 516166660 is about 802.1642750286.

The spelling of 516166660 in words is "five hundred sixteen million, one hundred sixty-six thousand, six hundred sixty".