61233433216 has 32 divisors (see below), whose sum is σ = 123196312980. Its totient is φ = 30313574400.

The previous prime is 61233433207. The next prime is 61233433229.

61233433216 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 37750935616 + 23482497600 = 194296^2 + 153240^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2355321 + ... + 2381176.

Almost surely, 2^61233433216 is an apocalyptic number.

It is an amenable number.

61233433216 is an abundant number, since it is smaller than the sum of its proper divisors (61962879764).

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

61233433216 is a wasteful number, since it uses less digits than its factorization.

61233433216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4736612 (or 4736600 counting only the distinct ones).

The product of its digits is 46656, while the sum is 34.

The spelling of 61233433216 in words is "sixty-one billion, two hundred thirty-three million, four hundred thirty-three thousand, two hundred sixteen".