18552459123680 has 192 divisors, whose sum is σ = 45710616143808. Its totient is φ = 7109320458240.

The previous prime is 18552459123613. The next prime is 18552459123769. The reversal of 18552459123680 is 8632195425581.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1479338210 + ... + 1479350750.

It is an arithmetic number, because the mean of its divisors is an integer number (238076125749).

Almost surely, 2^{18552459123680} is an apocalyptic number.

18552459123680 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 18552459123680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22855308071904).

18552459123680 is an abundant number, since it is smaller than the sum of its proper divisors (27158157020128).

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

18552459123680 is a wasteful number, since it uses less digits than its factorization.

18552459123680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16709 (or 16701 counting only the distinct ones).

The product of its (nonzero) digits is 20736000, while the sum is 59.

The spelling of 18552459123680 in words is "eighteen trillion, five hundred fifty-two billion, four hundred fifty-nine million, one hundred twenty-three thousand, six hundred eighty".