16527940669837 has 2 divisors, whose sum is σ = 16527940669838. Its totient is φ = 16527940669836.

The previous prime is 16527940669789. The next prime is 16527940669841. The reversal of 16527940669837 is 73896604972561.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16517811052521 + 10129617316 = 4064211^2 + 100646^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16527940669837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16527940669837.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16527940669847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8263970334918 + 8263970334919.

It is an arithmetic number, because the mean of its divisors is an integer number (8263970334919).

It is a 1-persistent number, because it is pandigital, but 2⋅16527940669837 = 33055881339674 is not.

Almost surely, 2^{16527940669837} is an apocalyptic number.

It is an amenable number.

16527940669837 is a deficient number, since it is larger than the sum of its proper divisors (1).

16527940669837 is an equidigital number, since it uses as much as digits as its factorization.

16527940669837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 823011840, while the sum is 73.

The spelling of 16527940669837 in words is "sixteen trillion, five hundred twenty-seven billion, nine hundred forty million, six hundred sixty-nine thousand, eight hundred thirty-seven".