65515116 has 24 divisors (see below), whose sum is σ = 160914880. Its totient is φ = 20688912.

The previous prime is 65515111. The next prime is 65515117. The reversal of 65515116 is 61151556.

It is not an unprimeable number, because it can be changed into a prime (65515111) 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 in 7 ways as a sum of consecutive naturals, for example, 143446 + ... + 143901.

Almost surely, 2^65515116 is an apocalyptic number.

It is an amenable number.

65515116 is an abundant number, since it is smaller than the sum of its proper divisors (95399764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65515116 is a wasteful number, since it uses less digits than its factorization.

65515116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287373 (or 287371 counting only the distinct ones).

The product of its digits is 4500, while the sum is 30.

The square root of 65515116 is about 8094.1408438450. The cubic root of 65515116 is about 403.1319055845.

The spelling of 65515116 in words is "sixty-five million, five hundred fifteen thousand, one hundred sixteen".