2177068168 has 32 divisors (see below), whose sum is σ = 4478004000. Its totient is φ = 984040960.

The previous prime is 2177068139. The next prime is 2177068169. The reversal of 2177068168 is 8618607712.

It is not an unprimeable number, because it can be changed into a prime (2177068169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53353 + ... + 84856.

It is an arithmetic number, because the mean of its divisors is an integer number (139937625).

Almost surely, 2^2177068168 is an apocalyptic number.

It is an amenable number.

2177068168 is an abundant number, since it is smaller than the sum of its proper divisors (2300935832).

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

2177068168 is a wasteful number, since it uses less digits than its factorization.

2177068168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138405 (or 138401 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 46.

The square root of 2177068168 is about 46659.0630853214. The cubic root of 2177068168 is about 1296.0567231816.

The spelling of 2177068168 in words is "two billion, one hundred seventy-seven million, sixty-eight thousand, one hundred sixty-eight".