16800540741 has 6 divisors (see below), whose sum is σ = 24267447750. Its totient is φ = 11200360488.

The previous prime is 16800540733. The next prime is 16800540781. The reversal of 16800540741 is 14704500861.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16602322500 + 198218241 = 128850^2 + 14079^2 .

It is not a de Polignac number, because 16800540741 - 2³ = 16800540733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16800540696 and 16800540705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16800540721) 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, 933363366 + ... + 933363383.

It is an arithmetic number, because the mean of its divisors is an integer number (4044574625).

Almost surely, 2^16800540741 is an apocalyptic number.

It is an amenable number.

16800540741 is a deficient number, since it is larger than the sum of its proper divisors (7466907009).

16800540741 is a wasteful number, since it uses less digits than its factorization.

16800540741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1866726755 (or 1866726752 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The spelling of 16800540741 in words is "sixteen billion, eight hundred million, five hundred forty thousand, seven hundred forty-one".