18798164352 has 192 divisors, whose sum is σ = 60607694160. Its totient is φ = 5542318080.

The previous prime is 18798164317. The next prime is 18798164393. The reversal of 18798164352 is 25346189781.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 448818 + ... + 488910.

Almost surely, 2^18798164352 is an apocalyptic number.

18798164352 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 18798164352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30303847080).

18798164352 is an abundant number, since it is smaller than the sum of its proper divisors (41809529808).

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

18798164352 is a wasteful number, since it uses less digits than its factorization.

18798164352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40161 (or 40146 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The spelling of 18798164352 in words is "eighteen billion, seven hundred ninety-eight million, one hundred sixty-four thousand, three hundred fifty-two".