16277268788663 has 4 divisors (see below), whose sum is σ = 16279909922328. Its totient is φ = 16274627655000.

The previous prime is 16277268788659. The next prime is 16277268788717. The reversal of 16277268788663 is 36688786277261.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16277268788663 - 2² = 16277268788659 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 (16277268788623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1320557588 + ... + 1320569913.

It is an arithmetic number, because the mean of its divisors is an integer number (4069977480582).

Almost surely, 2^{16277268788663} is an apocalyptic number.

16277268788663 is a deficient number, since it is larger than the sum of its proper divisors (2641133665).

16277268788663 is an equidigital number, since it uses as much as digits as its factorization.

16277268788663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2641133664.

The product of its digits is 2731180032, while the sum is 77.

The spelling of 16277268788663 in words is "sixteen trillion, two hundred seventy-seven billion, two hundred sixty-eight million, seven hundred eighty-eight thousand, six hundred sixty-three".