16918527610009 has 2 divisors, whose sum is σ = 16918527610010. Its totient is φ = 16918527610008.

The previous prime is 16918527610003. The next prime is 16918527610043. The reversal of 16918527610009 is 90001672581961.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13010650992784 + 3907876617225 = 3607028^2 + 1976835^2 .

It is a cyclic number.

It is not a de Polignac number, because 16918527610009 - 2¹⁹ = 16918527085721 is a prime.

It is not a weakly prime, because it can be changed into another prime (16918527610003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8459263805004 + 8459263805005.

It is an arithmetic number, because the mean of its divisors is an integer number (8459263805005).

Almost surely, 2^{16918527610009} is an apocalyptic number.

It is an amenable number.

16918527610009 is a deficient number, since it is larger than the sum of its proper divisors (1).

16918527610009 is an equidigital number, since it uses as much as digits as its factorization.

16918527610009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 55.

The spelling of 16918527610009 in words is "sixteen trillion, nine hundred eighteen billion, five hundred twenty-seven million, six hundred ten thousand, nine".