180619900036 has 27 divisors (see below), whose sum is σ = 330460925431. Its totient is φ = 86374080584.

The previous prime is 180619900007. The next prime is 180619900039. The reversal of 180619900036 is 630009916081.

The square root of 180619900036 is 424994.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 180619899965 and 180619900001.

It is not an unprimeable number, because it can be changed into a prime (180619900039) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 19545105 + ... + 19554343.

Almost surely, 2^180619900036 is an apocalyptic number.

180619900036 is the 424994-th square number.

It is an amenable number.

180619900036 is a deficient number, since it is larger than the sum of its proper divisors (149841025395).

180619900036 is an frugal number, since it uses more digits than its factorization.

180619900036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18528 (or 9264 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 43.

The spelling of 180619900036 in words is "one hundred eighty billion, six hundred nineteen million, nine hundred thousand, thirty-six".