16513228669 has 8 divisors (see below), whose sum is σ = 19111151360. Its totient is φ = 13975028496.

The previous prime is 16513228663. The next prime is 16513228679. The reversal of 16513228669 is 96682231561.

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 16513228669 - 2⁷ = 16513228541 is a prime.

It is a super-2 number, since 2×16513228669² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16513228663) 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, 14930034 + ... + 14931139.

It is an arithmetic number, because the mean of its divisors is an integer number (2388893920).

Almost surely, 2^16513228669 is an apocalyptic number.

It is an amenable number.

16513228669 is a deficient number, since it is larger than the sum of its proper divisors (2597922691).

16513228669 is an equidigital number, since it uses as much as digits as its factorization.

16513228669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29861259.

The product of its digits is 933120, while the sum is 49.

The spelling of 16513228669 in words is "sixteen billion, five hundred thirteen million, two hundred twenty-eight thousand, six hundred sixty-nine".