16641763255 has 8 divisors (see below), whose sum is σ = 21506278752. Its totient is φ = 12289302048.

The previous prime is 16641763253. The next prime is 16641763261. The reversal of 16641763255 is 55236714661.

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 16641763255 - 2¹ = 16641763253 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 (16641763253) 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, 128013499 + ... + 128013628.

It is an arithmetic number, because the mean of its divisors is an integer number (2688284844).

Almost surely, 2^16641763255 is an apocalyptic number.

16641763255 is a deficient number, since it is larger than the sum of its proper divisors (4864515497).

16641763255 is a wasteful number, since it uses less digits than its factorization.

16641763255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256027145.

The product of its digits is 907200, while the sum is 46.

The spelling of 16641763255 in words is "sixteen billion, six hundred forty-one million, seven hundred sixty-three thousand, two hundred fifty-five".