671271206 has 16 divisors (see below), whose sum is σ = 1027353888. Its totient is φ = 328862400.

The previous prime is 671271199. The next prime is 671271217. The reversal of 671271206 is 602172176.

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, 21626 + ... + 42546.

It is an arithmetic number, because the mean of its divisors is an integer number (64209618).

Almost surely, 2^671271206 is an apocalyptic number.

671271206 is a deficient number, since it is larger than the sum of its proper divisors (356082682).

671271206 is a wasteful number, since it uses less digits than its factorization.

671271206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21247.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 671271206 is about 25908.9020608748. The cubic root of 671271206 is about 875.5870698618.

The spelling of 671271206 in words is "six hundred seventy-one million, two hundred seventy-one thousand, two hundred six".