666049932 has 24 divisors (see below), whose sum is σ = 1726796400. Its totient is φ = 222016608.

The previous prime is 666049897. The next prime is 666049949. The reversal of 666049932 is 239940666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3083457 + ... + 3083672.

It is an arithmetic number, because the mean of its divisors is an integer number (71949850).

Almost surely, 2^666049932 is an apocalyptic number.

It is an amenable number.

666049932 is an abundant number, since it is smaller than the sum of its proper divisors (1060746468).

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

666049932 is a wasteful number, since it uses less digits than its factorization.

666049932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6167142 (or 6167134 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The square root of 666049932 is about 25807.9431958457. The cubic root of 666049932 is about 873.3109979461.

The spelling of 666049932 in words is "six hundred sixty-six million, forty-nine thousand, nine hundred thirty-two".