2170664168 has 32 divisors (see below), whose sum is σ = 4187030400. Its totient is φ = 1054461312.

The previous prime is 2170664149. The next prime is 2170664179. The reversal of 2170664168 is 8614660712.

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 7 ways as a sum of consecutive naturals, for example, 30443 + ... + 72581.

It is an arithmetic number, because the mean of its divisors is an integer number (130844700).

Almost surely, 2^2170664168 is an apocalyptic number.

It is an amenable number.

2170664168 is a deficient number, since it is larger than the sum of its proper divisors (2016366232).

2170664168 is a wasteful number, since it uses less digits than its factorization.

2170664168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42329 (or 42325 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 2170664168 is about 46590.3870771643. The cubic root of 2170664168 is about 1294.7846609043.

The spelling of 2170664168 in words is "two billion, one hundred seventy million, six hundred sixty-four thousand, one hundred sixty-eight".