666274675 has 24 divisors (see below), whose sum is σ = 904473360. Its totient is φ = 482851200.

The previous prime is 666274663. The next prime is 666274699. The reversal of 666274675 is 576472666.

It is not a de Polignac number, because 666274675 - 2⁵ = 666274643 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76441 + ... + 84709.

It is an arithmetic number, because the mean of its divisors is an integer number (37686390).

Almost surely, 2^666274675 is an apocalyptic number.

666274675 is a deficient number, since it is larger than the sum of its proper divisors (238198685).

666274675 is a wasteful number, since it uses less digits than its factorization.

666274675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8583 (or 8578 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 49.

The square root of 666274675 is about 25812.2969725672. The cubic root of 666274675 is about 873.4092130361.

The spelling of 666274675 in words is "six hundred sixty-six million, two hundred seventy-four thousand, six hundred seventy-five".