666832012 has 24 divisors (see below), whose sum is σ = 1454906880. Its totient is φ = 259804560.

The previous prime is 666832009. The next prime is 666832013. The reversal of 666832012 is 210238666.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (666832013) 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, 1082212 + ... + 1082827.

It is an arithmetic number, because the mean of its divisors is an integer number (60621120).

Almost surely, 2^666832012 is an apocalyptic number.

It is an amenable number.

666832012 is an abundant number, since it is smaller than the sum of its proper divisors (788074868).

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

666832012 is a wasteful number, since it uses less digits than its factorization.

666832012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2165061 (or 2165059 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 666832012 is about 25823.0906748205. The cubic root of 666832012 is about 873.6526799930.

The spelling of 666832012 in words is "six hundred sixty-six million, eight hundred thirty-two thousand, twelve".