14061697221 has 24 divisors (see below), whose sum is σ = 22147749216. Its totient is φ = 7866680640.

The previous prime is 14061697163. The next prime is 14061697229. The reversal of 14061697221 is 12279616041.

It is not a de Polignac number, because 14061697221 - 2¹⁴ = 14061680837 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 14061697221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14061697229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1255110 + ... + 1266263.

It is an arithmetic number, because the mean of its divisors is an integer number (922822884).

Almost surely, 2^14061697221 is an apocalyptic number.

14061697221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14061697221 is a deficient number, since it is larger than the sum of its proper divisors (8086051995).

14061697221 is a wasteful number, since it uses less digits than its factorization.

14061697221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2521413 (or 2521400 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The spelling of 14061697221 in words is "fourteen billion, sixty-one million, six hundred ninety-seven thousand, two hundred twenty-one".