2166677296 has 120 divisors (see below), whose sum is σ = 5129671680. Its totient is φ = 882806400.

The previous prime is 2166677281. The next prime is 2166677297. The reversal of 2166677296 is 6927766612.

It is not an unprimeable number, because it can be changed into a prime (2166677297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1433181 + ... + 1434691.

It is an arithmetic number, because the mean of its divisors is an integer number (42747264).

Almost surely, 2^2166677296 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 2166677296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2564835840).

2166677296 is an abundant number, since it is smaller than the sum of its proper divisors (2962994384).

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

2166677296 is a wasteful number, since it uses less digits than its factorization.

2166677296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623 (or 1610 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 52.

The square root of 2166677296 is about 46547.5809897786. The cubic root of 2166677296 is about 1293.9914621435.

The spelling of 2166677296 in words is "two billion, one hundred sixty-six million, six hundred seventy-seven thousand, two hundred ninety-six".