2665227164 has 6 divisors (see below), whose sum is σ = 4664147544. Its totient is φ = 1332613580.

The previous prime is 2665227163. The next prime is 2665227209. The reversal of 2665227164 is 4617225662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2665227163) 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 as a sum of consecutive naturals, namely, 333153392 + ... + 333153399.

It is an arithmetic number, because the mean of its divisors is an integer number (777357924).

Almost surely, 2^2665227164 is an apocalyptic number.

It is an amenable number.

2665227164 is a deficient number, since it is larger than the sum of its proper divisors (1998920380).

2665227164 is a wasteful number, since it uses less digits than its factorization.

2665227164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666306795 (or 666306793 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The square root of 2665227164 is about 51625.8381433173. The cubic root of 2665227164 is about 1386.4729799382.

The spelling of 2665227164 in words is "two billion, six hundred sixty-five million, two hundred twenty-seven thousand, one hundred sixty-four".