65484867665 has 16 divisors (see below), whose sum is σ = 92904641280. Its totient is φ = 43355497920.

The previous prime is 65484867631. The next prime is 65484867683. The reversal of 65484867665 is 56676848456.

It is not a de Polignac number, because 65484867665 - 2¹⁰ = 65484866641 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32257541 + ... + 32259570.

It is an arithmetic number, because the mean of its divisors is an integer number (5806540080).

Almost surely, 2^65484867665 is an apocalyptic number.

It is an amenable number.

65484867665 is a deficient number, since it is larger than the sum of its proper divisors (27419773615).

65484867665 is a wasteful number, since it uses less digits than its factorization.

65484867665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64517152.

The product of its digits is 232243200, while the sum is 65.

The spelling of 65484867665 in words is "sixty-five billion, four hundred eighty-four million, eight hundred sixty-seven thousand, six hundred sixty-five".