65219016 has 32 divisors (see below), whose sum is σ = 163245600. Its totient is φ = 21713280.

The previous prime is 65218969. The next prime is 65219023. The reversal of 65219016 is 61091256.

65219016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37036 + ... + 38756.

It is an arithmetic number, because the mean of its divisors is an integer number (5101425).

Almost surely, 2^65219016 is an apocalyptic number.

It is an amenable number.

65219016 is an abundant number, since it is smaller than the sum of its proper divisors (98026584).

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

65219016 is a wasteful number, since it uses less digits than its factorization.

65219016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3309 (or 3305 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 65219016 is about 8075.8291215206. The cubic root of 65219016 is about 402.5236610192.

Adding to 65219016 its product of nonzero digits (3240), we get a palindrome (65222256).

The spelling of 65219016 in words is "sixty-five million, two hundred nineteen thousand, sixteen".