671122166 has 16 divisors (see below), whose sum is σ = 1182677328. Its totient is φ = 281589600.

The previous prime is 671122157. The next prime is 671122171. The reversal of 671122166 is 661221176.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1173005 + ... + 1173576.

It is an arithmetic number, because the mean of its divisors is an integer number (73917333).

Almost surely, 2^671122166 is an apocalyptic number.

671122166 is a deficient number, since it is larger than the sum of its proper divisors (511555162).

671122166 is a wasteful number, since it uses less digits than its factorization.

671122166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2346607.

The product of its digits is 6048, while the sum is 32.

The square root of 671122166 is about 25906.0256697163. The cubic root of 671122166 is about 875.5222638862.

The spelling of 671122166 in words is "six hundred seventy-one million, one hundred twenty-two thousand, one hundred sixty-six".