65616613224 has 32 divisors (see below), whose sum is σ = 166730742240. Its totient is φ = 21513643200.

The previous prime is 65616613217. The next prime is 65616613253. The reversal of 65616613224 is 42231661656.

65616613224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22408582 + ... + 22411509.

It is an arithmetic number, because the mean of its divisors is an integer number (5210335695).

Almost surely, 2^65616613224 is an apocalyptic number.

It is an amenable number.

65616613224 is an abundant number, since it is smaller than the sum of its proper divisors (101114129016).

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

65616613224 is a wasteful number, since it uses less digits than its factorization.

65616613224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44820161 (or 44820157 counting only the distinct ones).

The product of its digits is 311040, while the sum is 42.

The spelling of 65616613224 in words is "sixty-five billion, six hundred sixteen million, six hundred thirteen thousand, two hundred twenty-four".