16118382655019 has 2 divisors, whose sum is σ = 16118382655020. Its totient is φ = 16118382655018.

The previous prime is 16118382654973. The next prime is 16118382655097. The reversal of 16118382655019 is 91055628381161.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16118382655019 is a prime.

It is a super-2 number, since 2×16118382655019² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (16118382655919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8059191327509 + 8059191327510.

It is an arithmetic number, because the mean of its divisors is an integer number (8059191327510).

Almost surely, 2^{16118382655019} is an apocalyptic number.

16118382655019 is a deficient number, since it is larger than the sum of its proper divisors (1).

16118382655019 is an equidigital number, since it uses as much as digits as its factorization.

16118382655019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3110400, while the sum is 56.

The spelling of 16118382655019 in words is "sixteen trillion, one hundred eighteen billion, three hundred eighty-two million, six hundred fifty-five thousand, nineteen".