181036483724544 has 144 divisors (see below), whose sum is σ = 550727870784000. Its totient is φ = 51717642762240.

The previous prime is 181036483724483. The next prime is 181036483724561. The reversal of 181036483724544 is 445427384630181.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37114707 + ... + 41708205.

Almost surely, 2^{181036483724544} is an apocalyptic number.

181036483724544 is a gapful number since it is divisible by the number (14) 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 181036483724544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275363935392000).

181036483724544 is an abundant number, since it is smaller than the sum of its proper divisors (369691387059456).

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

181036483724544 is an equidigital number, since it uses as much as digits as its factorization.

181036483724544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4600856 (or 4600842 counting only the distinct ones).

The product of its (nonzero) digits is 61931520, while the sum is 60.

The spelling of 181036483724544 in words is "one hundred eighty-one trillion, thirty-six billion, four hundred eighty-three million, seven hundred twenty-four thousand, five hundred forty-four".