611166672216 has 96 divisors (see below), whose sum is σ = 1706300996400. Its totient is φ = 197479123200.

The previous prime is 611166672211. The next prime is 611166672251. The reversal of 611166672216 is 612276661116.

611166672216 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 not an unprimeable number, because it can be changed into a prime (611166672211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 290191 + ... + 1143041.

Almost surely, 2^611166672216 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 611166672216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (853150498200).

611166672216 is an abundant number, since it is smaller than the sum of its proper divisors (1095134324184).

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

611166672216 is a wasteful number, since it uses less digits than its factorization.

611166672216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853169 (or 853162 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The spelling of 611166672216 in words is "six hundred eleven billion, one hundred sixty-six million, six hundred seventy-two thousand, two hundred sixteen".