16121330118 has 12 divisors (see below), whose sum is σ = 34929548628. Its totient is φ = 5373776700.

The previous prime is 16121330087. The next prime is 16121330143. The reversal of 16121330118 is 81103312161.

16121330118 is a `hidden beast` number, since 1 + 612 + 1 + 3 + 30 + 1 + 18 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 16121330091 and 16121330100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 447814708 + ... + 447814743.

It is an arithmetic number, because the mean of its divisors is an integer number (2910795719).

Almost surely, 2^16121330118 is an apocalyptic number.

16121330118 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

16121330118 is an abundant number, since it is smaller than the sum of its proper divisors (18808218510).

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

16121330118 is a wasteful number, since it uses less digits than its factorization.

16121330118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895629459 (or 895629456 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

Adding to 16121330118 its reverse (81103312161), we get a palindrome (97224642279).

The spelling of 16121330118 in words is "sixteen billion, one hundred twenty-one million, three hundred thirty thousand, one hundred eighteen".