16321741613263 has 16 divisors (see below), whose sum is σ = 18221384401920. Its totient is φ = 14529156160896.

The previous prime is 16321741613239. The next prime is 16321741613269. The reversal of 16321741613263 is 36231614712361.

It is a cyclic number.

It is not a de Polignac number, because 16321741613263 - 2¹⁷ = 16321741482191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16321741613269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41428081 + ... + 41820202.

It is an arithmetic number, because the mean of its divisors is an integer number (1138836525120).

Almost surely, 2^{16321741613263} is an apocalyptic number.

16321741613263 is a deficient number, since it is larger than the sum of its proper divisors (1899642788657).

16321741613263 is a wasteful number, since it uses less digits than its factorization.

16321741613263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83248926.

The product of its digits is 653184, while the sum is 46.

The spelling of 16321741613263 in words is "sixteen trillion, three hundred twenty-one billion, seven hundred forty-one million, six hundred thirteen thousand, two hundred sixty-three".