180956672 has 80 divisors (see below), whose sum is σ = 402390912. Its totient is φ = 80732160.

The previous prime is 180956651. The next prime is 180956729. The reversal of 180956672 is 276659081.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205898 + ... + 206774.

Almost surely, 2^180956672 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 180956672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201195456).

180956672 is an abundant number, since it is smaller than the sum of its proper divisors (221434240).

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

180956672 is an equidigital number, since it uses as much as digits as its factorization.

180956672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939 (or 923 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 180956672 is about 13452.0136782565. The cubic root of 180956672 is about 565.6201424326.

The spelling of 180956672 in words is "one hundred eighty million, nine hundred fifty-six thousand, six hundred seventy-two".