180503964 has 60 divisors (see below), whose sum is σ = 475167000. Its totient is φ = 59748192.

The previous prime is 180503893. The next prime is 180503989. The reversal of 180503964 is 469305081.

180503964 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 46407 + ... + 50145.

It is an arithmetic number, because the mean of its divisors is an integer number (7919450).

Almost surely, 2^180503964 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 180503964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237583500).

180503964 is an abundant number, since it is smaller than the sum of its proper divisors (294663036).

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

180503964 is a wasteful number, since it uses less digits than its factorization.

180503964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3904 (or 3893 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 180503964 is about 13435.1763665387. The cubic root of 180503964 is about 565.1480688490.

The spelling of 180503964 in words is "one hundred eighty million, five hundred three thousand, nine hundred sixty-four".