1668482332 has 48 divisors (see below), whose sum is σ = 3229077600. Its totient is φ = 748051200.

The previous prime is 1668482303. The next prime is 1668482369. The reversal of 1668482332 is 2332848661.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1028482 + ... + 1030102.

It is an arithmetic number, because the mean of its divisors is an integer number (67272450).

Almost surely, 2^1668482332 is an apocalyptic number.

It is an amenable number.

1668482332 is a deficient number, since it is larger than the sum of its proper divisors (1560595268).

1668482332 is a wasteful number, since it uses less digits than its factorization.

1668482332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1942 (or 1940 counting only the distinct ones).

The product of its digits is 331776, while the sum is 43.

The square root of 1668482332 is about 40847.0602614191. The cubic root of 1668482332 is about 1186.0614871051.

The spelling of 1668482332 in words is "one billion, six hundred sixty-eight million, four hundred eighty-two thousand, three hundred thirty-two".