16637265604055 has 8 divisors (see below), whose sum is σ = 19977574316112. Its totient is φ = 13301242089088.

The previous prime is 16637265604051. The next prime is 16637265604067. The reversal of 16637265604055 is 55040656273661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16637265604055 - 2² = 16637265604051 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 (16637265604051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1071290729 + ... + 1071306258.

It is an arithmetic number, because the mean of its divisors is an integer number (2497196789514).

Almost surely, 2^{16637265604055} is an apocalyptic number.

16637265604055 is a deficient number, since it is larger than the sum of its proper divisors (3340308712057).

16637265604055 is a wasteful number, since it uses less digits than its factorization.

16637265604055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142598545.

The product of its (nonzero) digits is 27216000, while the sum is 56.

The spelling of 16637265604055 in words is "sixteen trillion, six hundred thirty-seven billion, two hundred sixty-five million, six hundred four thousand, fifty-five".