65265466616 has 32 divisors (see below), whose sum is σ = 139873607040. Its totient is φ = 27967107168.

The previous prime is 65265466577. The next prime is 65265466619. The reversal of 65265466616 is 61666456256.

It is a super-2 number, since 2×65265466616² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65265466619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357035 + ... + 507941.

It is an arithmetic number, because the mean of its divisors is an integer number (4371050220).

Almost surely, 2^65265466616 is an apocalyptic number.

It is an amenable number.

65265466616 is an abundant number, since it is smaller than the sum of its proper divisors (74608140424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65265466616 is a wasteful number, since it uses less digits than its factorization.

65265466616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158643 (or 158639 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 53.

The spelling of 65265466616 in words is "sixty-five billion, two hundred sixty-five million, four hundred sixty-six thousand, six hundred sixteen".