9169169167840 has 96 divisors (see below), whose sum is σ = 23640289362144. Its totient is φ = 3332996106240.

The previous prime is 9169169167817. The next prime is 9169169167883. The reversal of 9169169167840 is 487619619619.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3738462 + ... + 5684578.

It is an arithmetic number, because the mean of its divisors is an integer number (246253014189).

Almost surely, 2^{9169169167840} 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 9169169167840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11820144681072).

9169169167840 is an abundant number, since it is smaller than the sum of its proper divisors (14471120194304).

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

9169169167840 is a wasteful number, since it uses less digits than its factorization.

9169169167840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948820 (or 1948812 counting only the distinct ones).

The product of its (nonzero) digits is 35271936, while the sum is 67.

The spelling of 9169169167840 in words is "nine trillion, one hundred sixty-nine billion, one hundred sixty-nine million, one hundred sixty-seven thousand, eight hundred forty".