65500375616 has 112 divisors (see below), whose sum is σ = 142116194304. Its totient is φ = 29771022336.

The previous prime is 65500375583. The next prime is 65500375627. The reversal of 65500375616 is 61657300556.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24375425 + ... + 24378111.

It is an arithmetic number, because the mean of its divisors is an integer number (1268894592).

Almost surely, 2^65500375616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65500375616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71058097152).

65500375616 is an abundant number, since it is smaller than the sum of its proper divisors (76615818688).

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

65500375616 is a wasteful number, since it uses less digits than its factorization.

65500375616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3148 (or 3138 counting only the distinct ones).

The product of its (nonzero) digits is 567000, while the sum is 44.

The spelling of 65500375616 in words is "sixty-five billion, five hundred million, three hundred seventy-five thousand, six hundred sixteen".