16214612560669 has 8 divisors (see below), whose sum is σ = 16222777877880. Its totient is φ = 16206449062656.

The previous prime is 16214612560661. The next prime is 16214612560721. The reversal of 16214612560669 is 96606521641261.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2753565215769 + 13461047344900 = 1659387^2 + 3668930^2 .

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 16214612560669 - 2³ = 16214612560661 is a prime.

It is a super-2 number, since 2×16214612560669² (a number of 27 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 (16214612560661) 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, 17554897 + ... + 18455449.

It is an arithmetic number, because the mean of its divisors is an integer number (2027847234735).

Almost surely, 2^{16214612560669} is an apocalyptic number.

It is an amenable number.

16214612560669 is a deficient number, since it is larger than the sum of its proper divisors (8165317211).

16214612560669 is an equidigital number, since it uses as much as digits as its factorization.

16214612560669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909599.

The product of its (nonzero) digits is 5598720, while the sum is 55.

The spelling of 16214612560669 in words is "sixteen trillion, two hundred fourteen billion, six hundred twelve million, five hundred sixty thousand, six hundred sixty-nine".