64165040211 has 16 divisors (see below), whose sum is σ = 90107437824. Its totient is φ = 40534432224.

The previous prime is 64165040207. The next prime is 64165040213. The reversal of 64165040211 is 11204056146.

It is not a de Polignac number, because 64165040211 - 2² = 64165040207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64165040213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4338076 + ... + 4352841.

It is an arithmetic number, because the mean of its divisors is an integer number (5631714864).

Almost surely, 2^64165040211 is an apocalyptic number.

64165040211 is a deficient number, since it is larger than the sum of its proper divisors (25942397613).

64165040211 is a wasteful number, since it uses less digits than its factorization.

64165040211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8691050.

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 64165040211 its reverse (11204056146), we get a palindrome (75369096357).

The spelling of 64165040211 in words is "sixty-four billion, one hundred sixty-five million, forty thousand, two hundred eleven".