8161170208404 has 24 divisors (see below), whose sum is σ = 19042777572000. Its totient is φ = 2720383342944.

The previous prime is 8161170208403. The next prime is 8161170208421. The reversal of 8161170208404 is 4048020711618.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8161170208403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7620222 + ... + 8624970.

It is an arithmetic number, because the mean of its divisors is an integer number (793449065500).

Almost surely, 2^{8161170208404} is an apocalyptic number.

It is an amenable number.

8161170208404 is an abundant number, since it is smaller than the sum of its proper divisors (10881607363596).

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

8161170208404 is a wasteful number, since it uses less digits than its factorization.

8161170208404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681639 (or 1681637 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 42.

The spelling of 8161170208404 in words is "eight trillion, one hundred sixty-one billion, one hundred seventy million, two hundred eight thousand, four hundred four".