18182364964 has 9 divisors (see below), whose sum is σ = 31819610641. Its totient is φ = 9091047640.

The previous prime is 18182364947. The next prime is 18182365009. The reversal of 18182364964 is 46946328181.

The square root of 18182364964 is 134842.

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

It can be written as a sum of positive squares in only one way, i.e., 11079246564 + 7103118400 = 105258^2 + 84280^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 235974 + ... + 303394.

Almost surely, 2^18182364964 is an apocalyptic number.

18182364964 is the 134842-nd square number.

It is an amenable number.

18182364964 is a deficient number, since it is larger than the sum of its proper divisors (13637245677).

18182364964 is an frugal number, since it uses more digits than its factorization.

18182364964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134846 (or 67423 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 52.

The spelling of 18182364964 in words is "eighteen billion, one hundred eighty-two million, three hundred sixty-four thousand, nine hundred sixty-four".