181468548560 has 240 divisors, whose sum is σ = 491279962320. Its totient is φ = 61923778560.

The previous prime is 181468548511. The next prime is 181468548593. The reversal of 181468548560 is 65845864181.

It can be written as a sum of positive squares in 8 ways, for example, as 103544942656 + 77923605904 = 321784^2 + 279148^2 .

It is a junction number, because it is equal to n+sod(n) for n = 181468548496 and 181468548505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15387146 + ... + 15398934.

It is an arithmetic number, because the mean of its divisors is an integer number (2046999843).

Almost surely, 2^181468548560 is an apocalyptic number.

181468548560 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 181468548560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245639981160).

181468548560 is an abundant number, since it is smaller than the sum of its proper divisors (309811413760).

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

181468548560 is a wasteful number, since it uses less digits than its factorization.

181468548560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11894 (or 11869 counting only the distinct ones).

The product of its (nonzero) digits is 7372800, while the sum is 56.

The spelling of 181468548560 in words is "one hundred eighty-one billion, four hundred sixty-eight million, five hundred forty-eight thousand, five hundred sixty".