14666275981 has 8 divisors (see below), whose sum is σ = 16762239360. Its totient is φ = 12570507888.

The previous prime is 14666275963. The next prime is 14666276039. The reversal of 14666275981 is 18957266641.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14666275981 - 2³³ = 6076341389 is a prime.

It is a super-2 number, since 2×14666275981² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14666275901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190035 + ... + 255823.

It is an arithmetic number, because the mean of its divisors is an integer number (2095279920).

Almost surely, 2^14666275981 is an apocalyptic number.

It is an amenable number.

14666275981 is a deficient number, since it is larger than the sum of its proper divisors (2095963379).

14666275981 is an equidigital number, since it uses as much as digits as its factorization.

14666275981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97643.

The product of its digits is 4354560, while the sum is 55.

The spelling of 14666275981 in words is "fourteen billion, six hundred sixty-six million, two hundred seventy-five thousand, nine hundred eighty-one".