16888092217261 has 2 divisors, whose sum is σ = 16888092217262. Its totient is φ = 16888092217260.

The previous prime is 16888092217247. The next prime is 16888092217279. The reversal of 16888092217261 is 16271229088861.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15725428180900 + 1162664036361 = 3965530^2 + 1078269^2 .

It is a cyclic number.

It is not a de Polignac number, because 16888092217261 - 2¹⁵ = 16888092184493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16888092217261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16888092217211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8444046108630 + 8444046108631.

It is an arithmetic number, because the mean of its divisors is an integer number (8444046108631).

Almost surely, 2^{16888092217261} is an apocalyptic number.

It is an amenable number.

16888092217261 is a deficient number, since it is larger than the sum of its proper divisors (1).

16888092217261 is an equidigital number, since it uses as much as digits as its factorization.

16888092217261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9289728, while the sum is 61.

The spelling of 16888092217261 in words is "sixteen trillion, eight hundred eighty-eight billion, ninety-two million, two hundred seventeen thousand, two hundred sixty-one".