65016211 has 16 divisors (see below), whose sum is σ = 74844000. Its totient is φ = 55945728.

The previous prime is 65016187. The next prime is 65016229. The reversal of 65016211 is 11261056.

It is a cyclic number.

It is not a de Polignac number, because 65016211 - 2²⁵ = 31461779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65016241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22740 + ... + 25438.

It is an arithmetic number, because the mean of its divisors is an integer number (4677750).

Almost surely, 2^65016211 is an apocalyptic number.

65016211 is a deficient number, since it is larger than the sum of its proper divisors (9827789).

65016211 is a wasteful number, since it uses less digits than its factorization.

65016211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2838.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 65016211 is about 8063.2630491632. The cubic root of 65016211 is about 402.1059987140.

Adding to 65016211 its reverse (11261056), we get a palindrome (76277267).

It can be divided in two parts, 650 and 16211, that added together give a palindrome (16861).

The spelling of 65016211 in words is "sixty-five million, sixteen thousand, two hundred eleven".