16047922368257 has 4 divisors (see below), whose sum is σ = 17282377935060. Its totient is φ = 14813466801456.

The previous prime is 16047922368173. The next prime is 16047922368323. The reversal of 16047922368257 is 75286322974061.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2547228768016 + 13500693600241 = 1596004^2 + 3674329^2 .

It is a cyclic number.

It is not a de Polignac number, because 16047922368257 - 2¹⁸ = 16047922106113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16047922368257.

It is not an unprimeable number, because it can be changed into a prime (16047922368757) 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, 617227783382 + ... + 617227783407.

It is an arithmetic number, because the mean of its divisors is an integer number (4320594483765).

It is a 2-persistent number, because it is pandigital, and so is 2⋅16047922368257 = 32095844736514, but 3⋅16047922368257 = 48143767104771 is not.

Almost surely, 2^{16047922368257} is an apocalyptic number.

It is an amenable number.

16047922368257 is a deficient number, since it is larger than the sum of its proper divisors (1234455566803).

16047922368257 is a wasteful number, since it uses less digits than its factorization.

16047922368257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234455566802.

The product of its (nonzero) digits is 60963840, while the sum is 62.

The spelling of 16047922368257 in words is "sixteen trillion, forty-seven billion, nine hundred twenty-two million, three hundred sixty-eight thousand, two hundred fifty-seven".