666010852 has 24 divisors (see below), whose sum is σ = 1269286200. Its totient is φ = 303933696.

The previous prime is 666010837. The next prime is 666010859. The reversal of 666010852 is 258010666.

It can be written as a sum of positive squares in 4 ways, for example, as 2742336 + 663268516 = 1656^2 + 25754^2 .

It is a super-3 number, since 3×666010852³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (666010859) 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, 67327 + ... + 76582.

It is an arithmetic number, because the mean of its divisors is an integer number (52886925).

Almost surely, 2^666010852 is an apocalyptic number.

It is an amenable number.

666010852 is a deficient number, since it is larger than the sum of its proper divisors (603275348).

666010852 is a wasteful number, since it uses less digits than its factorization.

666010852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144015 (or 144013 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 666010852 is about 25807.1860535007. The cubic root of 666010852 is about 873.2939173141.

The spelling of 666010852 in words is "six hundred sixty-six million, ten thousand, eight hundred fifty-two".