1666460675 has 24 divisors (see below), whose sum is σ = 2266140672. Its totient is φ = 1205588000.

The previous prime is 1666460671. The next prime is 1666460713. The reversal of 1666460675 is 5760646661.

It is not a de Polignac number, because 1666460675 - 2² = 1666460671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1666460671) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36662 + ... + 68388.

It is an arithmetic number, because the mean of its divisors is an integer number (94422528).

Almost surely, 2^1666460675 is an apocalyptic number.

1666460675 is a deficient number, since it is larger than the sum of its proper divisors (599679997).

1666460675 is a wasteful number, since it uses less digits than its factorization.

1666460675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31939 (or 31934 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 47.

The square root of 1666460675 is about 40822.3060960549. The cubic root of 1666460675 is about 1185.5822534588.

The spelling of 1666460675 in words is "one billion, six hundred sixty-six million, four hundred sixty thousand, six hundred seventy-five".