18407855679066 has 32 divisors (see below), whose sum is σ = 46750109662080. Its totient is φ = 5259387336768.

The previous prime is 18407855679043. The next prime is 18407855679067. The reversal of 18407855679066 is 66097655870481.

18407855679066 is a `hidden beast` number, since 1 + 8 + 4 + 0 + 7 + 8 + 556 + 7 + 9 + 0 + 66 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 18407855678985 and 18407855679003.

It is not an unprimeable number, because it can be changed into a prime (18407855679067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24349015071 + ... + 24349015826.

It is an arithmetic number, because the mean of its divisors is an integer number (1460940926940).

Almost surely, 2^{18407855679066} is an apocalyptic number.

18407855679066 is an abundant number, since it is smaller than the sum of its proper divisors (28342253983014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18407855679066 is a wasteful number, since it uses less digits than its factorization.

18407855679066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48698030915 (or 48698030909 counting only the distinct ones).

The product of its (nonzero) digits is 609638400, while the sum is 72.

The spelling of 18407855679066 in words is "eighteen trillion, four hundred seven billion, eight hundred fifty-five million, six hundred seventy-nine thousand, sixty-six".