670211171 has 6 divisors (see below), whose sum is σ = 779633460. Its totient is φ = 574466676.

The previous prime is 670211161. The next prime is 670211183. The reversal of 670211171 is 171112076.

It is not a de Polignac number, because 670211171 - 2²² = 666016867 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 670211171.

It is not an unprimeable number, because it can be changed into a prime (670211161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6838841 + ... + 6838938.

It is an arithmetic number, because the mean of its divisors is an integer number (129938910).

Almost surely, 2^670211171 is an apocalyptic number.

670211171 is a deficient number, since it is larger than the sum of its proper divisors (109422289).

670211171 is a wasteful number, since it uses less digits than its factorization.

670211171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13677793 (or 13677786 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 26.

The square root of 670211171 is about 25888.4370134622. The cubic root of 670211171 is about 875.1259338742.

The spelling of 670211171 in words is "six hundred seventy million, two hundred eleven thousand, one hundred seventy-one".