411566660 has 24 divisors (see below), whose sum is σ = 864671640. Its totient is φ = 164553984.

The previous prime is 411566647. The next prime is 411566671. The reversal of 411566660 is 66665114.

It can be written as a sum of positive squares in 4 ways, for example, as 2637376 + 408929284 = 1624^2 + 20222^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 411566660.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83546 + ... + 88334.

It is an arithmetic number, because the mean of its divisors is an integer number (36027985).

Almost surely, 2^411566660 is an apocalyptic number.

It is an amenable number.

411566660 is an abundant number, since it is smaller than the sum of its proper divisors (453104980).

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

411566660 is a wasteful number, since it uses less digits than its factorization.

411566660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9095 (or 9093 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 411566660 is about 20287.1057571059. The cubic root of 411566660 is about 743.8409133976.

The spelling of 411566660 in words is "four hundred eleven million, five hundred sixty-six thousand, six hundred sixty".