1668366704 has 40 divisors (see below), whose sum is σ = 3326172528. Its totient is φ = 810086400.

The previous prime is 1668366703. The next prime is 1668366727. The reversal of 1668366704 is 4076638661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1668366703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345104 + ... + 349904.

Almost surely, 2^1668366704 is an apocalyptic number.

It is an amenable number.

1668366704 is a deficient number, since it is larger than the sum of its proper divisors (1657805824).

1668366704 is a wasteful number, since it uses less digits than its factorization.

1668366704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5433 (or 5427 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 47.

The square root of 1668366704 is about 40845.6448596420. The cubic root of 1668366704 is about 1186.0340879366.

The spelling of 1668366704 in words is "one billion, six hundred sixty-eight million, three hundred sixty-six thousand, seven hundred four".