18861054673606 has 32 divisors (see below), whose sum is σ = 28905297068160. Its totient is φ = 9228097342464.

The previous prime is 18861054673603. The next prime is 18861054673631. The reversal of 18861054673606 is 60637645016881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18861054673603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334073676 + ... + 334130128.

It is an arithmetic number, because the mean of its divisors is an integer number (903290533380).

Almost surely, 2^{18861054673606} is an apocalyptic number.

18861054673606 is a deficient number, since it is larger than the sum of its proper divisors (10044242394554).

18861054673606 is a wasteful number, since it uses less digits than its factorization.

18861054673606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75360.

The product of its (nonzero) digits is 34836480, while the sum is 61.

The spelling of 18861054673606 in words is "eighteen trillion, eight hundred sixty-one billion, fifty-four million, six hundred seventy-three thousand, six hundred six".