65016032366691 has 48 divisors (see below), whose sum is σ = 107934553621440. Its totient is φ = 36942127591680.

The previous prime is 65016032366641. The next prime is 65016032366699. The reversal of 65016032366691 is 19666323061056.

It is a happy number.

It is not a de Polignac number, because 65016032366691 - 2⁶ = 65016032366627 is a prime.

It is a super-2 number, since 2×65016032366691² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65016032366699) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 91657501 + ... + 92364113.

It is an arithmetic number, because the mean of its divisors is an integer number (2248636533780).

Almost surely, 2^{65016032366691} is an apocalyptic number.

65016032366691 is a deficient number, since it is larger than the sum of its proper divisors (42918521254749).

65016032366691 is a wasteful number, since it uses less digits than its factorization.

65016032366691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714876 (or 714873 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 54.

The spelling of 65016032366691 in words is "sixty-five trillion, sixteen billion, thirty-two million, three hundred sixty-six thousand, six hundred ninety-one".