65164646011 has 16 divisors (see below), whose sum is σ = 68255460000. Its totient is φ = 62130788608.

The previous prime is 65164645999. The next prime is 65164646021. The reversal of 65164646011 is 11064646156.

It is a cyclic number.

It is not a de Polignac number, because 65164646011 - 2⁹ = 65164645499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65164646021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6679365 + ... + 6689113.

It is an arithmetic number, because the mean of its divisors is an integer number (4265966250).

Almost surely, 2^65164646011 is an apocalyptic number.

65164646011 is a deficient number, since it is larger than the sum of its proper divisors (3090813989).

65164646011 is a wasteful number, since it uses less digits than its factorization.

65164646011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12638.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 65164646011 in words is "sixty-five billion, one hundred sixty-four million, six hundred forty-six thousand, eleven".