1668860883 has 12 divisors (see below), whose sum is σ = 2493700560. Its totient is φ = 1074209136.

The previous prime is 1668860881. The next prime is 1668860951. The reversal of 1668860883 is 3880688661.

It is not a de Polignac number, because 1668860883 - 2¹ = 1668860881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1668860881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3196791 + ... + 3197312.

It is an arithmetic number, because the mean of its divisors is an integer number (207808380).

Almost surely, 2^1668860883 is an apocalyptic number.

1668860883 is a deficient number, since it is larger than the sum of its proper divisors (824839677).

1668860883 is a wasteful number, since it uses less digits than its factorization.

1668860883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6394138 (or 6394135 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 54.

The square root of 1668860883 is about 40851.6937592556. The cubic root of 1668860883 is about 1186.1511795563.

The spelling of 1668860883 in words is "one billion, six hundred sixty-eight million, eight hundred sixty thousand, eight hundred eighty-three".