16536267053309 has 16 divisors (see below), whose sum is σ = 17469677332800. Its totient is φ = 15609187310976.

The previous prime is 16536267053303. The next prime is 16536267053351. The reversal of 16536267053309 is 90335076263561.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 16536267053309 - 2¹² = 16536267049213 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 (16536267053303) 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 15 ways as a sum of consecutive naturals, for example, 26372762 + ... + 26992500.

It is an arithmetic number, because the mean of its divisors is an integer number (1091854833300).

Almost surely, 2^{16536267053309} is an apocalyptic number.

16536267053309 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

16536267053309 is a deficient number, since it is larger than the sum of its proper divisors (933410279491).

16536267053309 is a wasteful number, since it uses less digits than its factorization.

16536267053309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624844.

The product of its (nonzero) digits is 18370800, while the sum is 56.

The spelling of 16536267053309 in words is "sixteen trillion, five hundred thirty-six billion, two hundred sixty-seven million, fifty-three thousand, three hundred nine".