16838516701 has 4 divisors (see below), whose sum is σ = 16854818332. Its totient is φ = 16822215072.

The previous prime is 16838516663. The next prime is 16838516741. The reversal of 16838516701 is 10761583861.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10354080025 + 6484436676 = 101755^2 + 80526^2 .

It is a cyclic number.

It is not a de Polignac number, because 16838516701 - 2²¹ = 16836419549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16838516741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8149266 + ... + 8151331.

It is an arithmetic number, because the mean of its divisors is an integer number (4213704583).

Almost surely, 2^16838516701 is an apocalyptic number.

It is an amenable number.

16838516701 is a deficient number, since it is larger than the sum of its proper divisors (16301631).

16838516701 is a wasteful number, since it uses less digits than its factorization.

16838516701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16301630.

The product of its (nonzero) digits is 241920, while the sum is 46.

The spelling of 16838516701 in words is "sixteen billion, eight hundred thirty-eight million, five hundred sixteen thousand, seven hundred one".