18655325979682 has 16 divisors (see below), whose sum is σ = 33012189752832. Its totient is φ = 7737231972960.

The previous prime is 18655325979679. The next prime is 18655325979683. The reversal of 18655325979682 is 28697952355681.

It is a super-2 number, since 2×18655325979682² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18655325979599 and 18655325979608.

It is not an unprimeable number, because it can be changed into a prime (18655325979683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21492310603 + ... + 21492311470.

It is an arithmetic number, because the mean of its divisors is an integer number (2063261859552).

Almost surely, 2^{18655325979682} is an apocalyptic number.

18655325979682 is a deficient number, since it is larger than the sum of its proper divisors (14356863773150).

18655325979682 is a wasteful number, since it uses less digits than its factorization.

18655325979682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42984622113.

The product of its digits is 1959552000, while the sum is 76.

The spelling of 18655325979682 in words is "eighteen trillion, six hundred fifty-five billion, three hundred twenty-five million, nine hundred seventy-nine thousand, six hundred eighty-two".