18844767070668 has 144 divisors (see below), whose sum is σ = 59404185824256. Its totient is φ = 4893540007680.

The previous prime is 18844767070639. The next prime is 18844767070673. The reversal of 18844767070668 is 86607076744881.

18844767070668 is a `hidden beast` number, since 1 + 8 + 84 + 476 + 7 + 0 + 70 + 6 + 6 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 18844767070596 and 18844767070605.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10455805 + ... + 12124907.

It is an arithmetic number, because the mean of its divisors is an integer number (412529068224).

Almost surely, 2^{18844767070668} is an apocalyptic number.

18844767070668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18844767070668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29702092912128).

18844767070668 is an abundant number, since it is smaller than the sum of its proper divisors (40559418753588).

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

18844767070668 is a wasteful number, since it uses less digits than its factorization.

18844767070668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673204 (or 1673199 counting only the distinct ones).

The product of its (nonzero) digits is 606928896, while the sum is 72.

The spelling of 18844767070668 in words is "eighteen trillion, eight hundred forty-four billion, seven hundred sixty-seven million, seventy thousand, six hundred sixty-eight".