16555266763653 has 8 divisors (see below), whose sum is σ = 22172674171648. Its totient is φ = 10987351932384.

The previous prime is 16555266763639. The next prime is 16555266763823. The reversal of 16555266763653 is 35636766255561.

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

It is not a de Polignac number, because 16555266763653 - 2⁵ = 16555266763621 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 (16555266763153) 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 7 ways as a sum of consecutive naturals, for example, 12373143400 + ... + 12373144737.

It is an arithmetic number, because the mean of its divisors is an integer number (2771584271456).

Almost surely, 2^{16555266763653} is an apocalyptic number.

It is an amenable number.

16555266763653 is a deficient number, since it is larger than the sum of its proper divisors (5617407407995).

16555266763653 is a wasteful number, since it uses less digits than its factorization.

16555266763653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24746288363.

The product of its digits is 612360000, while the sum is 66.

The spelling of 16555266763653 in words is "sixteen trillion, five hundred fifty-five billion, two hundred sixty-six million, seven hundred sixty-three thousand, six hundred fifty-three".