18284577682 has 16 divisors (see below), whose sum is σ = 31347950400. Its totient is φ = 7835507568.

The previous prime is 18284577631. The next prime is 18284577683. The reversal of 18284577682 is 28677548281.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18284577683) 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 7 ways as a sum of consecutive naturals, for example, 107968 + ... + 219604.

It is an arithmetic number, because the mean of its divisors is an integer number (1959246900).

Almost surely, 2^18284577682 is an apocalyptic number.

18284577682 is a deficient number, since it is larger than the sum of its proper divisors (13063372718).

18284577682 is a wasteful number, since it uses less digits than its factorization.

18284577682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123345.

The product of its digits is 12042240, while the sum is 58.

The spelling of 18284577682 in words is "eighteen billion, two hundred eighty-four million, five hundred seventy-seven thousand, six hundred eighty-two".