612237732216 has 256 divisors, whose sum is σ = 1813470197760. Its totient is φ = 170150952960.

The previous prime is 612237732193. The next prime is 612237732229.

612237732216 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 49141860 + ... + 49154316.

It is an arithmetic number, because the mean of its divisors is an integer number (7083867960).

Almost surely, 2^612237732216 is an apocalyptic number.

612237732216 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612237732216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (906735098880).

612237732216 is an abundant number, since it is smaller than the sum of its proper divisors (1201232465544).

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

612237732216 is a wasteful number, since it uses less digits than its factorization.

612237732216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12774 (or 12770 counting only the distinct ones).

The product of its digits is 254016, while the sum is 42.

The spelling of 612237732216 in words is "six hundred twelve billion, two hundred thirty-seven million, seven hundred thirty-two thousand, two hundred sixteen".