18150816871703 has 2 divisors, whose sum is σ = 18150816871704. Its totient is φ = 18150816871702.

The previous prime is 18150816871669. The next prime is 18150816871723. The reversal of 18150816871703 is 30717861805181.

It is a strong prime.

It is an emirp because it is prime and its reverse (30717861805181) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18150816871703 - 2⁶ = 18150816871639 is a prime.

It is a super-2 number, since 2×18150816871703² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18150816871723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9075408435851 + 9075408435852.

It is an arithmetic number, because the mean of its divisors is an integer number (9075408435852).

Almost surely, 2^{18150816871703} is an apocalyptic number.

18150816871703 is a deficient number, since it is larger than the sum of its proper divisors (1).

18150816871703 is an equidigital number, since it uses as much as digits as its factorization.

18150816871703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2257920, while the sum is 56.

The spelling of 18150816871703 in words is "eighteen trillion, one hundred fifty billion, eight hundred sixteen million, eight hundred seventy-one thousand, seven hundred three".