16798890836026 has 64 divisors (see below), whose sum is σ = 29732583232800. Its totient is φ = 7043529056256.

The previous prime is 16798890836011. The next prime is 16798890836027. The reversal of 16798890836026 is 62063809889761.

It is a Cunningham number, because it is equal to 4098645²+1.

It can be written as a sum of positive squares in 16 ways, for example, as 8808934960225 + 7989955875801 = 2967985^2 + 2826651^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16798890836026.

It is not an unprimeable number, because it can be changed into a prime (16798890836027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43246846 + ... + 43633558.

Almost surely, 2^{16798890836026} is an apocalyptic number.

16798890836026 is a deficient number, since it is larger than the sum of its proper divisors (12933692396774).

16798890836026 is a wasteful number, since it uses less digits than its factorization.

16798890836026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390163.

The product of its (nonzero) digits is 376233984, while the sum is 73.

The spelling of 16798890836026 in words is "sixteen trillion, seven hundred ninety-eight billion, eight hundred ninety million, eight hundred thirty-six thousand, twenty-six".