14221666415 has 16 divisors (see below), whose sum is σ = 18782218656. Its totient is φ = 10251494400.

The previous prime is 14221666399. The next prime is 14221666427. The reversal of 14221666415 is 51466612241.

It is a happy number.

It is not a de Polignac number, because 14221666415 - 2⁴ = 14221666399 is a prime.

It is a Duffinian number.

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, 1137926 + ... + 1150355.

It is an arithmetic number, because the mean of its divisors is an integer number (1173888666).

Almost surely, 2^14221666415 is an apocalyptic number.

14221666415 is a deficient number, since it is larger than the sum of its proper divisors (4560552241).

14221666415 is a wasteful number, since it uses less digits than its factorization.

14221666415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2288410.

The product of its digits is 69120, while the sum is 38.

The spelling of 14221666415 in words is "fourteen billion, two hundred twenty-one million, six hundred sixty-six thousand, four hundred fifteen".