612548845216 has 96 divisors (see below), whose sum is σ = 1508843524608. Its totient is φ = 237811818240.

The previous prime is 612548845211. The next prime is 612548845243.

612548845216 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (612548845211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258091 + ... + 1136533.

It is an arithmetic number, because the mean of its divisors is an integer number (15717120048).

Almost surely, 2^612548845216 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 612548845216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (754421762304).

612548845216 is an abundant number, since it is smaller than the sum of its proper divisors (896294679392).

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

612548845216 is a wasteful number, since it uses less digits than its factorization.

612548845216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878754 (or 878746 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 52.

The spelling of 612548845216 in words is "six hundred twelve billion, five hundred forty-eight million, eight hundred forty-five thousand, two hundred sixteen".