16797656473 has 6 divisors (see below), whose sum is σ = 18189178494. Its totient is φ = 15505528896.

The previous prime is 16797656471. The next prime is 16797656501. The reversal of 16797656473 is 37465679761.

It can be written as a sum of positive squares in 3 ways, for example, as 2347693209 + 14449963264 = 48453^2 + 120208^2 .

It is not a de Polignac number, because 16797656473 - 2¹ = 16797656471 is a prime.

It is a super-2 number, since 2×16797656473² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16797656471) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49697040 + ... + 49697377.

It is an arithmetic number, because the mean of its divisors is an integer number (3031529749).

Almost surely, 2^16797656473 is an apocalyptic number.

16797656473 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16797656473 is a deficient number, since it is larger than the sum of its proper divisors (1391522021).

16797656473 is an equidigital number, since it uses as much as digits as its factorization.

16797656473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99394443 (or 99394430 counting only the distinct ones).

The product of its digits is 40007520, while the sum is 61.

The spelling of 16797656473 in words is "sixteen billion, seven hundred ninety-seven million, six hundred fifty-six thousand, four hundred seventy-three".