18333351666852 has 48 divisors (see below), whose sum is σ = 43934419488960. Its totient is φ = 5945892124032.

The previous prime is 18333351666841. The next prime is 18333351666859. The reversal of 18333351666852 is 25866615333381.

It is a super-2 number, since 2×18333351666852² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18333351666859) 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 15 ways as a sum of consecutive naturals, for example, 73303438 + ... + 73553114.

It is an arithmetic number, because the mean of its divisors is an integer number (915300406020).

Almost surely, 2^{18333351666852} is an apocalyptic number.

18333351666852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18333351666852 is an abundant number, since it is smaller than the sum of its proper divisors (25601067822108).

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

18333351666852 is a wasteful number, since it uses less digits than its factorization.

18333351666852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415100 (or 415098 counting only the distinct ones).

The product of its digits is 55987200, while the sum is 60.

The spelling of 18333351666852 in words is "eighteen trillion, three hundred thirty-three billion, three hundred fifty-one million, six hundred sixty-six thousand, eight hundred fifty-two".