1668068675 has 96 divisors (see below), whose sum is σ = 2699827200. Its totient is φ = 993484800.

The previous prime is 1668068651. The next prime is 1668068683. The reversal of 1668068675 is 5768608661.

It is a de Polignac number, because none of the positive numbers 2^k-1668068675 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3714851 + ... + 3715299.

It is an arithmetic number, because the mean of its divisors is an integer number (28123200).

Almost surely, 2^1668068675 is an apocalyptic number.

1668068675 is a deficient number, since it is larger than the sum of its proper divisors (1031758525).

1668068675 is a wasteful number, since it uses less digits than its factorization.

1668068675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573 (or 568 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 53.

The square root of 1668068675 is about 40841.9964619753. The cubic root of 1668068675 is about 1185.9634612568.

The spelling of 1668068675 in words is "one billion, six hundred sixty-eight million, sixty-eight thousand, six hundred seventy-five".