18782885561202 has 96 divisors (see below), whose sum is σ = 46838380068480. Its totient is φ = 5328766517760.

The previous prime is 18782885561197. The next prime is 18782885561213. The reversal of 18782885561202 is 20216558828781.

18782885561202 is a `hidden beast` number, since 1 + 8 + 7 + 8 + 2 + 8 + 8 + 5 + 5 + 612 + 0 + 2 = 666.

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 18782885561202.

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, 10695924 + ... + 12327552.

It is an arithmetic number, because the mean of its divisors is an integer number (487899792380).

Almost surely, 2^{18782885561202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18782885561202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23419190034240).

18782885561202 is an abundant number, since it is smaller than the sum of its proper divisors (28055494507278).

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

18782885561202 is a wasteful number, since it uses less digits than its factorization.

18782885561202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632288 (or 1632285 counting only the distinct ones).

The product of its (nonzero) digits is 34406400, while the sum is 63.

The spelling of 18782885561202 in words is "eighteen trillion, seven hundred eighty-two billion, eight hundred eighty-five million, five hundred sixty-one thousand, two hundred two".