1411666668 has 18 divisors (see below), whose sum is σ = 3568379724. Its totient is φ = 470555544.

The previous prime is 1411666643. The next prime is 1411666681. The reversal of 1411666668 is 8666661141.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 19606446 + ... + 19606517.

It is an arithmetic number, because the mean of its divisors is an integer number (198243318).

Almost surely, 2^1411666668 is an apocalyptic number.

1411666668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1411666668 is an abundant number, since it is smaller than the sum of its proper divisors (2156713056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1411666668 is a wasteful number, since it uses less digits than its factorization.

1411666668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39212973 (or 39212968 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 1411666668 is about 37572.1528262622. The cubic root of 1411666668 is about 1121.7878196007.

The spelling of 1411666668 in words is "one billion, four hundred eleven million, six hundred sixty-six thousand, six hundred sixty-eight".