18116594840652 has 288 divisors, whose sum is σ = 54592705069056. Its totient is φ = 4542339513600.

The previous prime is 18116594840567. The next prime is 18116594840657. The reversal of 18116594840652 is 25604849561181.

It is a super-2 number, since 2×18116594840652² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18116594840657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 160593027 + ... + 160705797.

It is an arithmetic number, because the mean of its divisors is an integer number (189558003712).

Almost surely, 2^{18116594840652} is an apocalyptic number.

18116594840652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18116594840652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27296352534528).

18116594840652 is an abundant number, since it is smaller than the sum of its proper divisors (36476110228404).

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

18116594840652 is a wasteful number, since it uses less digits than its factorization.

18116594840652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112997 (or 112958 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 60.

The spelling of 18116594840652 in words is "eighteen trillion, one hundred sixteen billion, five hundred ninety-four million, eight hundred forty thousand, six hundred fifty-two".