14153666521 has 8 divisors (see below), whose sum is σ = 14271687360. Its totient is φ = 14035877328.

The previous prime is 14153666519. The next prime is 14153666563. The reversal of 14153666521 is 12566635141.

It is a happy number.

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 14153666521 - 2¹ = 14153666519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14153666221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65895 + ... + 180691.

It is an arithmetic number, because the mean of its divisors is an integer number (1783960920).

Almost surely, 2^14153666521 is an apocalyptic number.

It is an amenable number.

14153666521 is a deficient number, since it is larger than the sum of its proper divisors (118020839).

14153666521 is a wasteful number, since it uses less digits than its factorization.

14153666521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115823.

The product of its digits is 129600, while the sum is 40.

The spelling of 14153666521 in words is "fourteen billion, one hundred fifty-three million, six hundred sixty-six thousand, five hundred twenty-one".