16530737841 has 12 divisors (see below), whose sum is σ = 23898896580. Its totient is φ = 11010723840.

The previous prime is 16530737791. The next prime is 16530737849. The reversal of 16530737841 is 14873703561.

16530737841 is a `hidden beast` number, since 1 + 6 + 530 + 7 + 3 + 78 + 41 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5684556816 + 10846181025 = 75396^2 + 104145^2 .

It is not a de Polignac number, because 16530737841 - 2¹⁴ = 16530721457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16530737849) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 803280 + ... + 823601.

It is an arithmetic number, because the mean of its divisors is an integer number (1991574715).

Almost surely, 2^16530737841 is an apocalyptic number.

It is an amenable number.

16530737841 is a deficient number, since it is larger than the sum of its proper divisors (7368158739).

16530737841 is a wasteful number, since it uses less digits than its factorization.

16530737841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628016 (or 1628013 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 16530737841 in words is "sixteen billion, five hundred thirty million, seven hundred thirty-seven thousand, eight hundred forty-one".