3508405887168 has 560 divisors, whose sum is σ = 12874305407040. Its totient is φ = 919923941376.

The previous prime is 3508405887139. The next prime is 3508405887193. The reversal of 3508405887168 is 8617885048053.

3508405887168 is a `hidden beast` number, since 3 + 5 + 0 + 8 + 40 + 588 + 7 + 1 + 6 + 8 = 666.

It is a super-2 number, since 2×3508405887168² (a number of 26 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 81590218 + ... + 81633206.

It is an arithmetic number, because the mean of its divisors is an integer number (22989831084).

Almost surely, 2^{3508405887168} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3508405887168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6437152703520).

3508405887168 is an abundant number, since it is smaller than the sum of its proper divisors (9365899519872).

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

3508405887168 is a wasteful number, since it uses less digits than its factorization.

3508405887168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43206 (or 43187 counting only the distinct ones).

The product of its (nonzero) digits is 51609600, while the sum is 63.

The spelling of 3508405887168 in words is "three trillion, five hundred eight billion, four hundred five million, eight hundred eighty-seven thousand, one hundred sixty-eight".