180196992 has 48 divisors (see below), whose sum is σ = 518538930. Its totient is φ = 60065280.

The previous prime is 180196987. The next prime is 180196999. The reversal of 180196992 is 299691081.

It can be written as a sum of positive squares in only one way, i.e., 179989056 + 207936 = 13416^2 + 456^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (180196999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77059 + ... + 79362.

Almost surely, 2^180196992 is an apocalyptic number.

180196992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

180196992 is an abundant number, since it is smaller than the sum of its proper divisors (338341938).

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

180196992 is a wasteful number, since it uses less digits than its factorization.

180196992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156441 (or 156426 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 45.

The square root of 180196992 is about 13423.7473158578. The cubic root of 180196992 is about 564.8275162010.

The spelling of 180196992 in words is "one hundred eighty million, one hundred ninety-six thousand, nine hundred ninety-two".