666532675 has 12 divisors (see below), whose sum is σ = 826822080. Its totient is φ = 533018720.

The previous prime is 666532649. The next prime is 666532693. The reversal of 666532675 is 576235666.

It is not a de Polignac number, because 666532675 - 2⁷ = 666532547 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114741 + ... + 120409.

It is an arithmetic number, because the mean of its divisors is an integer number (68901840).

Almost surely, 2^666532675 is an apocalyptic number.

666532675 is a deficient number, since it is larger than the sum of its proper divisors (160289405).

666532675 is a wasteful number, since it uses less digits than its factorization.

666532675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10382 (or 10377 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 46.

The square root of 666532675 is about 25817.2941068579. The cubic root of 666532675 is about 873.5219345636.

It can be divided in two parts, 6665 and 32675, that added together give a triangular number (39340 = T₂₈₀).

The spelling of 666532675 in words is "six hundred sixty-six million, five hundred thirty-two thousand, six hundred seventy-five".