8165164111 has 4 divisors (see below), whose sum is σ = 8793253672. Its totient is φ = 7537074552.

The previous prime is 8165164079. The next prime is 8165164123. The reversal of 8165164111 is 1114615618.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8165164111 - 2⁵ = 8165164079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8165164411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314044761 + ... + 314044786.

It is an arithmetic number, because the mean of its divisors is an integer number (2198313418).

Almost surely, 2^8165164111 is an apocalyptic number.

8165164111 is a deficient number, since it is larger than the sum of its proper divisors (628089561).

8165164111 is a wasteful number, since it uses less digits than its factorization.

8165164111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628089560.

The product of its digits is 5760, while the sum is 34.

The square root of 8165164111 is about 90361.2976389782. The cubic root of 8165164111 is about 2013.6700282050.

Adding to 8165164111 its reverse (1114615618), we get a palindrome (9279779729).

The spelling of 8165164111 in words is "eight billion, one hundred sixty-five million, one hundred sixty-four thousand, one hundred eleven".