2018518688837 has 24 divisors (see below), whose sum is σ = 2450726830464. Its totient is φ = 1628273647872.

The previous prime is 2018518688831. The next prime is 2018518688897. The reversal of 2018518688837 is 7388868158102.

It is not a de Polignac number, because 2018518688837 - 2⁸ = 2018518688581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2018518688831) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43100888 + ... + 43147694.

It is an arithmetic number, because the mean of its divisors is an integer number (102113617936).

Almost surely, 2^{2018518688837} is an apocalyptic number.

It is an amenable number.

2018518688837 is a deficient number, since it is larger than the sum of its proper divisors (432208141627).

2018518688837 is a wasteful number, since it uses less digits than its factorization.

2018518688837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68165 (or 68148 counting only the distinct ones).

The product of its (nonzero) digits is 41287680, while the sum is 65.

The spelling of 2018518688837 in words is "two trillion, eighteen billion, five hundred eighteen million, six hundred eighty-eight thousand, eight hundred thirty-seven".