14666993944 has 16 divisors (see below), whose sum is σ = 27502531920. Its totient is φ = 7332985440.

The previous prime is 14666993881. The next prime is 14666993983. The reversal of 14666993944 is 44939966641.

It is a happy number.

It is a super-2 number, since 2×14666993944² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75909 + ... + 187339.

It is an arithmetic number, because the mean of its divisors is an integer number (1718908245).

Almost surely, 2^14666993944 is an apocalyptic number.

It is an amenable number.

14666993944 is a deficient number, since it is larger than the sum of its proper divisors (12835537976).

14666993944 is a wasteful number, since it uses less digits than its factorization.

14666993944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127890 (or 127886 counting only the distinct ones).

The product of its digits is 30233088, while the sum is 61.

The spelling of 14666993944 in words is "fourteen billion, six hundred sixty-six million, nine hundred ninety-three thousand, nine hundred forty-four".