180613984476 has 72 divisors (see below), whose sum is σ = 447978133120. Its totient is φ = 56625608448.

The previous prime is 180613984469. The next prime is 180613984487. The reversal of 180613984476 is 674489316081.

180613984476 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×180613984476² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5459481 + ... + 5492463.

Almost surely, 2^180613984476 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 180613984476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223989066560).

180613984476 is an abundant number, since it is smaller than the sum of its proper divisors (267364148644).

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

180613984476 is a wasteful number, since it uses less digits than its factorization.

180613984476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34603 (or 34584 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 57.

The spelling of 180613984476 in words is "one hundred eighty billion, six hundred thirteen million, nine hundred eighty-four thousand, four hundred seventy-six".