16550277252329 has 2 divisors, whose sum is σ = 16550277252330. Its totient is φ = 16550277252328.

The previous prime is 16550277252241. The next prime is 16550277252347. The reversal of 16550277252329 is 92325277205561.

16550277252329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8313101730025 + 8237175522304 = 2883245^2 + 2870048^2 .

It is an emirp because it is prime and its reverse (92325277205561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16550277252329 - 2⁸ = 16550277252073 is a prime.

It is not a weakly prime, because it can be changed into another prime (16556277252329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8275138626164 + 8275138626165.

It is an arithmetic number, because the mean of its divisors is an integer number (8275138626165).

Almost surely, 2^{16550277252329} is an apocalyptic number.

It is an amenable number.

16550277252329 is a deficient number, since it is larger than the sum of its proper divisors (1).

16550277252329 is an equidigital number, since it uses as much as digits as its factorization.

16550277252329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15876000, while the sum is 56.

The spelling of 16550277252329 in words is "sixteen trillion, five hundred fifty billion, two hundred seventy-seven million, two hundred fifty-two thousand, three hundred twenty-nine".