180613332 has 18 divisors (see below), whose sum is σ = 456550458. Its totient is φ = 60204432.

The previous prime is 180613313. The next prime is 180613333. The reversal of 180613332 is 233316081.

It is a happy number.

180613332 is a `hidden beast` number, since 18 + 0 + 613 + 3 + 32 = 666.

180613332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 173290896 + 7322436 = 13164^2 + 2706^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×180613332² = 65242351392284448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 180613296 and 180613305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180613333) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2508483 + ... + 2508554.

Almost surely, 2^180613332 is an apocalyptic number.

180613332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

180613332 is an abundant number, since it is smaller than the sum of its proper divisors (275937126).

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

180613332 is a wasteful number, since it uses less digits than its factorization.

180613332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5017047 (or 5017042 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 180613332 is about 13439.2459609905. The cubic root of 180613332 is about 565.2621875519.

The spelling of 180613332 in words is "one hundred eighty million, six hundred thirteen thousand, three hundred thirty-two".