14666039378 has 24 divisors (see below), whose sum is σ = 23014311600. Its totient is φ = 7008952104.

The previous prime is 14666039359. The next prime is 14666039387. The reversal of 14666039378 is 87393066641.

It is a super-2 number, since 2×14666039378² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1666193 + ... + 1674971.

It is an arithmetic number, because the mean of its divisors is an integer number (958929650).

Almost surely, 2^14666039378 is an apocalyptic number.

14666039378 is a deficient number, since it is larger than the sum of its proper divisors (8348272222).

14666039378 is a wasteful number, since it uses less digits than its factorization.

14666039378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10406 (or 10383 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 53.

The spelling of 14666039378 in words is "fourteen billion, six hundred sixty-six million, thirty-nine thousand, three hundred seventy-eight".