675806660 has 12 divisors (see below), whose sum is σ = 1419194028. Its totient is φ = 270322656.

The previous prime is 675806647. The next prime is 675806669. The reversal of 675806660 is 66608576.

It can be written as a sum of positive squares in 2 ways, for example, as 185449924 + 490356736 = 13618^2 + 22144^2 .

It is not an unprimeable number, because it can be changed into a prime (675806669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16895147 + ... + 16895186.

It is an arithmetic number, because the mean of its divisors is an integer number (118266169).

Almost surely, 2^675806660 is an apocalyptic number.

It is an amenable number.

675806660 is an abundant number, since it is smaller than the sum of its proper divisors (743387368).

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

675806660 is a wasteful number, since it uses less digits than its factorization.

675806660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33790342 (or 33790340 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 675806660 is about 25996.2816571909. The cubic root of 675806660 is about 877.5546176397.

The spelling of 675806660 in words is "six hundred seventy-five million, eight hundred six thousand, six hundred sixty".