18707270766912 has 448 divisors, whose sum is σ = 67717616924160. Its totient is φ = 4931574202368.

The previous prime is 18707270766893. The next prime is 18707270766913. The reversal of 18707270766912 is 21966707270781.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 18707270766912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18707270766913) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 366834088 + ... + 366885080.

It is an arithmetic number, because the mean of its divisors is an integer number (151155394920).

Almost surely, 2^{18707270766912} is an apocalyptic number.

18707270766912 is a gapful number since it is divisible by the number (12) 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 18707270766912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33858808462080).

18707270766912 is an abundant number, since it is smaller than the sum of its proper divisors (49010346157248).

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

18707270766912 is a wasteful number, since it uses less digits than its factorization.

18707270766912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53367 (or 53351 counting only the distinct ones).

The product of its (nonzero) digits is 24893568, while the sum is 63.

The spelling of 18707270766912 in words is "eighteen trillion, seven hundred seven billion, two hundred seventy million, seven hundred sixty-six thousand, nine hundred twelve".