180506336 has 12 divisors (see below), whose sum is σ = 355371912. Its totient is φ = 90253152.

The previous prime is 180506309. The next prime is 180506351. The reversal of 180506336 is 633605081.

180506336 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×180506336² = 65165074672289792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 5640823 = 180506336 / (1 + 8 + 0 + 5 + 0 + 6 + 3 + 3 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2820380 + ... + 2820443.

It is an arithmetic number, because the mean of its divisors is an integer number (29614326).

Almost surely, 2^180506336 is an apocalyptic number.

180506336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

180506336 is a deficient number, since it is larger than the sum of its proper divisors (174865576).

180506336 is an equidigital number, since it uses as much as digits as its factorization.

180506336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5640833 (or 5640825 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 180506336 is about 13435.2646419786. The cubic root of 180506336 is about 565.1505443723.

The spelling of 180506336 in words is "one hundred eighty million, five hundred six thousand, three hundred thirty-six".