18463597900000 has 288 divisors, whose sum is σ = 50056340251680. Its totient is φ = 6647520000000.

The previous prime is 18463597899961. The next prime is 18463597900003. The reversal of 18463597900000 is 979536481.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18463597900003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 111016906 + ... + 111183094.

It is an arithmetic number, because the mean of its divisors is an integer number (173806736985).

Almost surely, 2^{18463597900000} is an apocalyptic number.

18463597900000 is a gapful number since it is divisible by the number (10) 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 18463597900000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25028170125840).

18463597900000 is an abundant number, since it is smaller than the sum of its proper divisors (31592742351680).

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

18463597900000 is a wasteful number, since it uses less digits than its factorization.

18463597900000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166336 (or 166308 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 18463597900000 in words is "eighteen trillion, four hundred sixty-three billion, five hundred ninety-seven million, nine hundred thousand".