109516492818 has 48 divisors (see below), whose sum is σ = 238281825600. Its totient is φ = 36352451232.

The previous prime is 109516492781. The next prime is 109516492819. The reversal of 109516492818 is 818294615901.

109516492818 is a `hidden beast` number, since 1 + 0 + 9 + 516 + 49 + 2 + 81 + 8 = 666.

It is a super-2 number, since 2×109516492818² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (109516492819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7370905 + ... + 7385747.

It is an arithmetic number, because the mean of its divisors is an integer number (4964204700).

Almost surely, 2^109516492818 is an apocalyptic number.

109516492818 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

109516492818 is an abundant number, since it is smaller than the sum of its proper divisors (128765332782).

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

109516492818 is a wasteful number, since it uses less digits than its factorization.

109516492818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16543 (or 16540 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 54.

The spelling of 109516492818 in words is "one hundred nine billion, five hundred sixteen million, four hundred ninety-two thousand, eight hundred eighteen".