8161064814485 has 8 divisors (see below), whose sum is σ = 10683575757216. Its totient is φ = 5935319865040.

The previous prime is 8161064814481. The next prime is 8161064814503. The reversal of 8161064814485 is 5844184601618.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8161064814485 - 2² = 8161064814481 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8161064814485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8161064814481) 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, 74191498259 + ... + 74191498368.

It is an arithmetic number, because the mean of its divisors is an integer number (1335446969652).

Almost surely, 2^{8161064814485} is an apocalyptic number.

It is an amenable number.

8161064814485 is a deficient number, since it is larger than the sum of its proper divisors (2522510942731).

8161064814485 is a wasteful number, since it uses less digits than its factorization.

8161064814485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148382996643.

The product of its (nonzero) digits is 5898240, while the sum is 56.

The spelling of 8161064814485 in words is "eight trillion, one hundred sixty-one billion, sixty-four million, eight hundred fourteen thousand, four hundred eighty-five".