65016368919215 has 32 divisors (see below), whose sum is σ = 92240702398080. Its totient is φ = 43044979106304.

The previous prime is 65016368919211. The next prime is 65016368919221. The reversal of 65016368919215 is 51291986361056.

It is not a de Polignac number, because 65016368919215 - 2² = 65016368919211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65016368919211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 239214377 + ... + 239486013.

It is an arithmetic number, because the mean of its divisors is an integer number (2882521949940).

Almost surely, 2^{65016368919215} is an apocalyptic number.

65016368919215 is a deficient number, since it is larger than the sum of its proper divisors (27224333478865).

65016368919215 is a wasteful number, since it uses less digits than its factorization.

65016368919215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507491.

The product of its (nonzero) digits is 20995200, while the sum is 62.

The spelling of 65016368919215 in words is "sixty-five trillion, sixteen billion, three hundred sixty-eight million, nine hundred nineteen thousand, two hundred fifteen".