16808123601 has 48 divisors (see below), whose sum is σ = 26630145360. Its totient is φ = 10168381440.

The previous prime is 16808123599. The next prime is 16808123617. The reversal of 16808123601 is 10632180861.

It can be written as a sum of positive squares in 8 ways, for example, as 475283601 + 16332840000 = 21801^2 + 127800^2 .

It is not a de Polignac number, because 16808123601 - 2¹ = 16808123599 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16808103601) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3782541 + ... + 3786981.

It is an arithmetic number, because the mean of its divisors is an integer number (554794695).

Almost surely, 2^16808123601 is an apocalyptic number.

It is an amenable number.

16808123601 is a deficient number, since it is larger than the sum of its proper divisors (9822021759).

16808123601 is a wasteful number, since it uses less digits than its factorization.

16808123601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5346 (or 5343 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The spelling of 16808123601 in words is "sixteen billion, eight hundred eight million, one hundred twenty-three thousand, six hundred one".