16660260751751 has 4 divisors (see below), whose sum is σ = 16697366010000. Its totient is φ = 16623155493504.

The previous prime is 16660260751723. The next prime is 16660260751789. The reversal of 16660260751751 is 15715706206661.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16660260751751 - 2²² = 16660256557447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16660260751693 and 16660260751702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16660260751051) 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, 18552628451 + ... + 18552629348.

It is an arithmetic number, because the mean of its divisors is an integer number (4174341502500).

Almost surely, 2^{16660260751751} is an apocalyptic number.

16660260751751 is a deficient number, since it is larger than the sum of its proper divisors (37105258249).

16660260751751 is an equidigital number, since it uses as much as digits as its factorization.

16660260751751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37105258248.

The product of its (nonzero) digits is 3175200, while the sum is 53.

The spelling of 16660260751751 in words is "sixteen trillion, six hundred sixty billion, two hundred sixty million, seven hundred fifty-one thousand, seven hundred fifty-one".