8165854371 has 16 divisors (see below), whose sum is σ = 11471421440. Its totient is φ = 5152623840.

The previous prime is 8165854369. The next prime is 8165854391. The reversal of 8165854371 is 1734585618.

It is not a de Polignac number, because 8165854371 - 2¹ = 8165854369 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 8165854371.

It is not an unprimeable number, because it can be changed into a prime (8165854331) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3235 + ... + 127836.

It is an arithmetic number, because the mean of its divisors is an integer number (716963840).

Almost surely, 2^8165854371 is an apocalyptic number.

8165854371 is a deficient number, since it is larger than the sum of its proper divisors (3305567069).

8165854371 is a wasteful number, since it uses less digits than its factorization.

8165854371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132186.

The product of its digits is 806400, while the sum is 48.

The square root of 8165854371 is about 90365.1170031888. The cubic root of 8165854371 is about 2013.7267699389.

The spelling of 8165854371 in words is "eight billion, one hundred sixty-five million, eight hundred fifty-four thousand, three hundred seventy-one".