181674336480 has 576 divisors, whose sum is σ = 719312348160. Its totient is φ = 38203232256.

The previous prime is 181674336479. The next prime is 181674336517. The reversal of 181674336480 is 84633476181.

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 95 ways as a sum of consecutive naturals, for example, 112213111 + ... + 112214729.

It is an arithmetic number, because the mean of its divisors is an integer number (1248806160).

Almost surely, 2^181674336480 is an apocalyptic number.

181674336480 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 181674336480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359656174080).

181674336480 is an abundant number, since it is smaller than the sum of its proper divisors (537638011680).

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

181674336480 is a wasteful number, since it uses less digits than its factorization.

181674336480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031 (or 2016 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 51.

The spelling of 181674336480 in words is "one hundred eighty-one billion, six hundred seventy-four million, three hundred thirty-six thousand, four hundred eighty".