16798938261 has 32 divisors (see below), whose sum is σ = 25951242240. Its totient is φ = 9467862336.

The previous prime is 16798938251. The next prime is 16798938281. The reversal of 16798938261 is 16283989761.

It is not a de Polignac number, because 16798938261 - 2⁷ = 16798938133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16798938195 and 16798938204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16798938251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 498240 + ... + 530886.

It is an arithmetic number, because the mean of its divisors is an integer number (810976320).

Almost surely, 2^16798938261 is an apocalyptic number.

It is an amenable number.

16798938261 is a deficient number, since it is larger than the sum of its proper divisors (9152303979).

16798938261 is a wasteful number, since it uses less digits than its factorization.

16798938261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32993.

The product of its digits is 7838208, while the sum is 60.

The spelling of 16798938261 in words is "sixteen billion, seven hundred ninety-eight million, nine hundred thirty-eight thousand, two hundred sixty-one".