2166680622 has 8 divisors (see below), whose sum is σ = 4333361256. Its totient is φ = 722226872.

The previous prime is 2166680609. The next prime is 2166680641. The reversal of 2166680622 is 2260866612.

It is a sphenic number, since it is the product of 3 distinct primes.

2166680622 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 180556713 + ... + 180556724.

It is an arithmetic number, because the mean of its divisors is an integer number (541670157).

Almost surely, 2^2166680622 is an apocalyptic number.

2166680622 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2166680622 is a wasteful number, since it uses less digits than its factorization.

2166680622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361113442.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 2166680622 is about 46547.6167166483. The cubic root of 2166680622 is about 1293.9921242654.

The spelling of 2166680622 in words is "two billion, one hundred sixty-six million, six hundred eighty thousand, six hundred twenty-two".