65466444801 has 32 divisors (see below), whose sum is σ = 90863216640. Its totient is φ = 41890509504.

The previous prime is 65466444733. The next prime is 65466444809. The reversal of 65466444801 is 10844466456.

It is a happy number.

It is not a de Polignac number, because 65466444801 - 2¹⁷ = 65466313729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65466444809) 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 31 ways as a sum of consecutive naturals, for example, 6619206 + ... + 6629088.

It is an arithmetic number, because the mean of its divisors is an integer number (2839475520).

Almost surely, 2^65466444801 is an apocalyptic number.

It is an amenable number.

65466444801 is a deficient number, since it is larger than the sum of its proper divisors (25396771839).

65466444801 is a wasteful number, since it uses less digits than its factorization.

65466444801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10725.

The product of its (nonzero) digits is 2211840, while the sum is 48.

The spelling of 65466444801 in words is "sixty-five billion, four hundred sixty-six million, four hundred forty-four thousand, eight hundred one".