14172272478665 has 16 divisors (see below), whose sum is σ = 19832917756800. Its totient is φ = 9718129698480.

The previous prime is 14172272478659. The next prime is 14172272478671. The reversal of 14172272478665 is 56687427227141.

14172272478665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (14172272478659) and next prime (14172272478671).

It is not a de Polignac number, because 14172272478665 - 2⁶ = 14172272478601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14172272478598 and 14172272478607.

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, 4131856151 + ... + 4131859580.

It is an arithmetic number, because the mean of its divisors is an integer number (1239557359800).

Almost surely, 2^{14172272478665} is an apocalyptic number.

It is an amenable number.

14172272478665 is a deficient number, since it is larger than the sum of its proper divisors (5660645278135).

14172272478665 is an frugal number, since it uses more digits than its factorization.

14172272478665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8263715757 (or 8263715743 counting only the distinct ones).

The product of its digits is 63221760, while the sum is 62.

The spelling of 14172272478665 in words is "fourteen trillion, one hundred seventy-two billion, two hundred seventy-two million, four hundred seventy-eight thousand, six hundred sixty-five".