18326562326100 has 432 divisors, whose sum is σ = 70972794256000. Its totient is φ = 3861202037760.

The previous prime is 18326562326077. The next prime is 18326562326113. The reversal of 18326562326100 is 162326562381.

18326562326100 is a `hidden beast` number, since 1 + 8 + 3 + 2 + 6 + 5 + 6 + 23 + 2 + 610 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2359926 + ... + 6497874.

Almost surely, 2^{18326562326100} is an apocalyptic number.

18326562326100 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 18326562326100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35486397128000).

18326562326100 is an abundant number, since it is smaller than the sum of its proper divisors (52646231929900).

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

18326562326100 is a wasteful number, since it uses less digits than its factorization.

18326562326100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4138032 (or 4138022 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

Adding to 18326562326100 its reverse (162326562381), we get a palindrome (18488888888481).

The spelling of 18326562326100 in words is "eighteen trillion, three hundred twenty-six billion, five hundred sixty-two million, three hundred twenty-six thousand, one hundred".