666053476 has 24 divisors (see below), whose sum is σ = 1312577280. Its totient is φ = 292984800.

The previous prime is 666053467. The next prime is 666053513. The reversal of 666053476 is 674350666.

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, 242791 + ... + 245518.

It is an arithmetic number, because the mean of its divisors is an integer number (54690720).

Almost surely, 2^666053476 is an apocalyptic number.

It is an amenable number.

666053476 is a deficient number, since it is larger than the sum of its proper divisors (646523804).

666053476 is a wasteful number, since it uses less digits than its factorization.

666053476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488355 (or 488353 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 43.

The square root of 666053476 is about 25808.0118567859. The cubic root of 666053476 is about 873.3125468834.

The spelling of 666053476 in words is "six hundred sixty-six million, fifty-three thousand, four hundred seventy-six".