666037274 has 16 divisors (see below), whose sum is σ = 1150497216. Its totient is φ = 283264800.

The previous prime is 666037247. The next prime is 666037283. The reversal of 666037274 is 472730666.

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, 179747 + ... + 183414.

It is an arithmetic number, because the mean of its divisors is an integer number (71906076).

Almost surely, 2^666037274 is an apocalyptic number.

666037274 is a deficient number, since it is larger than the sum of its proper divisors (484459942).

666037274 is a wasteful number, since it uses less digits than its factorization.

666037274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363301.

The product of its (nonzero) digits is 254016, while the sum is 41.

The square root of 666037274 is about 25807.6979601048. The cubic root of 666037274 is about 873.3054656078.

It can be divided in two parts, 6660 and 37274, that added together give a palindrome (43934).

The spelling of 666037274 in words is "six hundred sixty-six million, thirty-seven thousand, two hundred seventy-four".