16277227591689 has 24 divisors (see below), whose sum is σ = 23819975437440. Its totient is φ = 10709260035552.

The previous prime is 16277227591673. The next prime is 16277227591811. The reversal of 16277227591689 is 98619572277261.

16277227591689 is a `hidden beast` number, since 1 + 6 + 2 + 7 + 7 + 2 + 27 + 591 + 6 + 8 + 9 = 666.

It is not a de Polignac number, because 16277227591689 - 2⁴ = 16277227591673 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16277227591489) 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 23 ways as a sum of consecutive naturals, for example, 3629634 + ... + 6762299.

It is an arithmetic number, because the mean of its divisors is an integer number (992498976560).

Almost surely, 2^{16277227591689} is an apocalyptic number.

It is an amenable number.

16277227591689 is a deficient number, since it is larger than the sum of its proper divisors (7542747845751).

16277227591689 is a wasteful number, since it uses less digits than its factorization.

16277227591689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10394221 (or 10394218 counting only the distinct ones).

The product of its digits is 320060160, while the sum is 72.

The spelling of 16277227591689 in words is "sixteen trillion, two hundred seventy-seven billion, two hundred twenty-seven million, five hundred ninety-one thousand, six hundred eighty-nine".