65516037722 has 8 divisors (see below), whose sum is σ = 98288183136. Its totient is φ = 32753310012.

The previous prime is 65516037721. The next prime is 65516037733. The reversal of 65516037722 is 22773061556.

65516037722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (65516037721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2337008 + ... + 2364875.

It is an arithmetic number, because the mean of its divisors is an integer number (12286022892).

Almost surely, 2^65516037722 is an apocalyptic number.

65516037722 is a deficient number, since it is larger than the sum of its proper divisors (32772145414).

65516037722 is a wasteful number, since it uses less digits than its factorization.

65516037722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4708852.

The product of its (nonzero) digits is 529200, while the sum is 44.

The spelling of 65516037722 in words is "sixty-five billion, five hundred sixteen million, thirty-seven thousand, seven hundred twenty-two".