18182364963 has 64 divisors (see below), whose sum is σ = 29987143680. Its totient is φ = 9568368000.

The previous prime is 18182364947. The next prime is 18182365009. The reversal of 18182364963 is 36946328181.

It is a Cunningham number, because it is equal to 134842²-1.

It is not a de Polignac number, because 18182364963 - 2⁴ = 18182364947 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (18182364463) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2828493 + ... + 2834913.

It is an arithmetic number, because the mean of its divisors is an integer number (468549120).

Almost surely, 2^18182364963 is an apocalyptic number.

18182364963 is a deficient number, since it is larger than the sum of its proper divisors (11804778717).

18182364963 is a wasteful number, since it uses less digits than its factorization.

18182364963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6648.

The product of its digits is 1492992, while the sum is 51.

The spelling of 18182364963 in words is "eighteen billion, one hundred eighty-two million, three hundred sixty-four thousand, nine hundred sixty-three".