2018170640223 has 16 divisors (see below), whose sum is σ = 2989904495200. Its totient is φ = 1345437164160.

The previous prime is 2018170640203. The next prime is 2018170640257. The reversal of 2018170640223 is 3220460718102.

It is a happy number.

2018170640223 is a `hidden beast` number, since 2 + 0 + 1 + 8 + 1 + 7 + 0 + 640 + 2 + 2 + 3 = 666.

It is not a de Polignac number, because 2018170640223 - 2⁶ = 2018170640159 is a prime.

It is a super-2 number, since 2×2018170640223² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2018170640203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6307383 + ... + 6619623.

It is an arithmetic number, because the mean of its divisors is an integer number (186869030950).

Almost surely, 2^{2018170640223} is an apocalyptic number.

2018170640223 is a deficient number, since it is larger than the sum of its proper divisors (971733854977).

2018170640223 is a wasteful number, since it uses less digits than its factorization.

2018170640223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551639 (or 551633 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 2018170640223 in words is "two trillion, eighteen billion, one hundred seventy million, six hundred forty thousand, two hundred twenty-three".