660652675 has 6 divisors (see below), whose sum is σ = 819209348. Its totient is φ = 528522120.

The previous prime is 660652673. The next prime is 660652697. The reversal of 660652675 is 576256066.

It is not a de Polignac number, because 660652675 - 2¹ = 660652673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (660652673) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13213029 + ... + 13213078.

Almost surely, 2^660652675 is an apocalyptic number.

660652675 is a deficient number, since it is larger than the sum of its proper divisors (158556673).

660652675 is a wasteful number, since it uses less digits than its factorization.

660652675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26426117 (or 26426112 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 43.

The square root of 660652675 is about 25703.1646884192. The cubic root of 660652675 is about 870.9456731568.

The spelling of 660652675 in words is "six hundred sixty million, six hundred fifty-two thousand, six hundred seventy-five".