3869818887168 has 1584 divisors, whose sum is σ = 13761995738400. Its totient is φ = 1036733644800.

The previous prime is 3869818887133. The next prime is 3869818887191. The reversal of 3869818887168 is 8617888189683.

3869818887168 is a `hidden beast` number, since 386 + 9 + 81 + 88 + 87 + 1 + 6 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 63439653858 + ... + 63439653918.

Almost surely, 2^{3869818887168} is an apocalyptic number.

3869818887168 is a gapful number since it is divisible by the number (38) 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 3869818887168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6880997869200).

3869818887168 is an abundant number, since it is smaller than the sum of its proper divisors (9892176851232).

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

3869818887168 is a wasteful number, since it uses less digits than its factorization.

3869818887168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 158 counting only the distinct ones).

The product of its digits is 1783627776, while the sum is 81.

The spelling of 3869818887168 in words is "three trillion, eight hundred sixty-nine billion, eight hundred eighteen million, eight hundred eighty-seven thousand, one hundred sixty-eight".