612556655216 has 60 divisors (see below), whose sum is σ = 1308473070072. Its totient is φ = 277593360000.

The previous prime is 612556655197. The next prime is 612556655239.

612556655216 is nontrivially palindromic in base 10.

612556655216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 162866 + ... + 1118766.

Almost surely, 2^612556655216 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 612556655216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (654236535036).

612556655216 is an abundant number, since it is smaller than the sum of its proper divisors (695916414856).

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

612556655216 is a wasteful number, since it uses less digits than its factorization.

612556655216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956262 (or 956245 counting only the distinct ones).

The product of its digits is 3240000, while the sum is 50.

The spelling of 612556655216 in words is "six hundred twelve billion, five hundred fifty-six million, six hundred fifty-five thousand, two hundred sixteen".