16518141018 has 48 divisors (see below), whose sum is σ = 37916626176. Its totient is φ = 5179144320.

The previous prime is 16518141011. The next prime is 16518141041. The reversal of 16518141018 is 81014181561.

16518141018 is a `hidden beast` number, since 1 + 65 + 181 + 410 + 1 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (16518141011) 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, 543033 + ... + 572643.

It is an arithmetic number, because the mean of its divisors is an integer number (789929712).

Almost surely, 2^16518141018 is an apocalyptic number.

16518141018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

16518141018 is an abundant number, since it is smaller than the sum of its proper divisors (21398485158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16518141018 is a wasteful number, since it uses less digits than its factorization.

16518141018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31459 (or 31456 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 36.

The spelling of 16518141018 in words is "sixteen billion, five hundred eighteen million, one hundred forty-one thousand, eighteen".