18844273814616 has 96 divisors (see below), whose sum is σ = 53157941163600. Its totient is φ = 6253994655360.

The previous prime is 18844273814591. The next prime is 18844273814621. The reversal of 18844273814616 is 61641837244881.

18844273814616 is a `hidden beast` number, since 1 + 8 + 8 + 4 + 4 + 2 + 7 + 3 + 8 + 1 + 4 + 616 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20719795 + ... + 21610146.

Almost surely, 2^{18844273814616} is an apocalyptic number.

It is an amenable number.

18844273814616 is an abundant number, since it is smaller than the sum of its proper divisors (34313667348984).

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

18844273814616 is a wasteful number, since it uses less digits than its factorization.

18844273814616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42330191 (or 42330175 counting only the distinct ones).

The product of its digits is 49545216, while the sum is 63.

The spelling of 18844273814616 in words is "eighteen trillion, eight hundred forty-four billion, two hundred seventy-three million, eight hundred fourteen thousand, six hundred sixteen".