1668085414 has 16 divisors (see below), whose sum is σ = 2513178576. Its totient is φ = 830368000.

The previous prime is 1668085387. The next prime is 1668085453. The reversal of 1668085414 is 4145808661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493149 + ... + 496519.

It is an arithmetic number, because the mean of its divisors is an integer number (157073661).

Almost surely, 2^1668085414 is an apocalyptic number.

1668085414 is a deficient number, since it is larger than the sum of its proper divisors (845093162).

1668085414 is a wasteful number, since it uses less digits than its factorization.

1668085414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4391.

The product of its (nonzero) digits is 184320, while the sum is 43.

The square root of 1668085414 is about 40842.2013853318. The cubic root of 1668085414 is about 1185.9674282749.

The spelling of 1668085414 in words is "one billion, six hundred sixty-eight million, eighty-five thousand, four hundred fourteen".