16555276140717 has 4 divisors (see below), whose sum is σ = 22073701520960. Its totient is φ = 11036850760476.

The previous prime is 16555276140701. The next prime is 16555276140719. The reversal of 16555276140717 is 71704167255561.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 16555276140717 - 2⁴ = 16555276140701 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 (16555276140719) 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, 2759212690117 + ... + 2759212690122.

It is an arithmetic number, because the mean of its divisors is an integer number (5518425380240).

Almost surely, 2^{16555276140717} is an apocalyptic number.

It is an amenable number.

16555276140717 is a deficient number, since it is larger than the sum of its proper divisors (5518425380243).

16555276140717 is an equidigital number, since it uses as much as digits as its factorization.

16555276140717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5518425380242.

The product of its (nonzero) digits is 12348000, while the sum is 57.

The spelling of 16555276140717 in words is "sixteen trillion, five hundred fifty-five billion, two hundred seventy-six million, one hundred forty thousand, seven hundred seventeen".