65516122 has 32 divisors (see below), whose sum is σ = 116881920. Its totient is φ = 26956800.

The previous prime is 65516117. The next prime is 65516141. The reversal of 65516122 is 22161556.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40122 + ... + 41722.

It is an arithmetic number, because the mean of its divisors is an integer number (3652560).

Almost surely, 2^65516122 is an apocalyptic number.

65516122 is a deficient number, since it is larger than the sum of its proper divisors (51365798).

65516122 is a wasteful number, since it uses less digits than its factorization.

65516122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1726.

The product of its digits is 3600, while the sum is 28.

The square root of 65516122 is about 8094.2029873237. The cubic root of 65516122 is about 403.1339689690.

Adding to 65516122 its reverse (22161556), we get a palindrome (87677678).

The spelling of 65516122 in words is "sixty-five million, five hundred sixteen thousand, one hundred twenty-two".