8165227446881 has 8 divisors (see below), whose sum is σ = 8281937925120. Its totient is φ = 8049335989968.

The previous prime is 8165227446877. The next prime is 8165227446907. The reversal of 8165227446881 is 1886447225618.

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

It is a cyclic number.

It is not a de Polignac number, because 8165227446881 - 2² = 8165227446877 is a prime.

It is a super-2 number, since 2×8165227446881² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8165227443881) 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, 204735251 + ... + 204775128.

It is an arithmetic number, because the mean of its divisors is an integer number (1035242240640).

Almost surely, 2^{8165227446881} is an apocalyptic number.

It is an amenable number.

8165227446881 is a deficient number, since it is larger than the sum of its proper divisors (116710478239).

8165227446881 is a wasteful number, since it uses less digits than its factorization.

8165227446881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409510663.

The product of its digits is 41287680, while the sum is 62.

The spelling of 8165227446881 in words is "eight trillion, one hundred sixty-five billion, two hundred twenty-seven million, four hundred forty-six thousand, eight hundred eighty-one".