8161847075 has 6 divisors (see below), whose sum is σ = 10120690404. Its totient is φ = 6529477640.

The previous prime is 8161847051. The next prime is 8161847077. The reversal of 8161847075 is 5707481618.

It is not a de Polignac number, because 8161847075 - 2⁶ = 8161847011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8161847077) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 163236917 + ... + 163236966.

It is an arithmetic number, because the mean of its divisors is an integer number (1686781734).

Almost surely, 2^8161847075 is an apocalyptic number.

8161847075 is a deficient number, since it is larger than the sum of its proper divisors (1958843329).

8161847075 is a wasteful number, since it uses less digits than its factorization.

8161847075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326473893 (or 326473888 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 47.

The square root of 8161847075 is about 90342.9414785682. The cubic root of 8161847075 is about 2013.3973118792.

The spelling of 8161847075 in words is "eight billion, one hundred sixty-one million, eight hundred forty-seven thousand, seventy-five".