666050052 has 24 divisors (see below), whose sum is σ = 1558228000. Its totient is φ = 221429376.

The previous prime is 666050009. The next prime is 666050083. The reversal of 666050052 is 250050666.

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, 68677 + ... + 77772.

Almost surely, 2^666050052 is an apocalyptic number.

It is an amenable number.

666050052 is an abundant number, since it is smaller than the sum of its proper divisors (892177948).

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

666050052 is a wasteful number, since it uses less digits than its factorization.

666050052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146835 (or 146833 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 666050052 is about 25807.9455207113. The cubic root of 666050052 is about 873.3110503933.

The spelling of 666050052 in words is "six hundred sixty-six million, fifty thousand, fifty-two".