16513568229 has 8 divisors (see below), whose sum is σ = 22163906752. Its totient is φ = 10936137600.

The previous prime is 16513568207. The next prime is 16513568231. The reversal of 16513568229 is 92286531561.

16513568229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16513568229 - 2¹⁶ = 16513502693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16513563229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18226444 + ... + 18227349.

It is an arithmetic number, because the mean of its divisors is an integer number (2770488344).

Almost surely, 2^16513568229 is an apocalyptic number.

It is an amenable number.

16513568229 is a deficient number, since it is larger than the sum of its proper divisors (5650338523).

16513568229 is a wasteful number, since it uses less digits than its factorization.

16513568229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36453947.

The product of its digits is 777600, while the sum is 48.

The spelling of 16513568229 in words is "sixteen billion, five hundred thirteen million, five hundred sixty-eight thousand, two hundred twenty-nine".