671066084207 has 4 divisors (see below), whose sum is σ = 671125392696. Its totient is φ = 671006775720.

The previous prime is 671066084201. The next prime is 671066084251. The reversal of 671066084207 is 702480660176.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 671066084207 - 2²⁶ = 670998975343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671066084201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29637269 + ... + 29659902.

It is an arithmetic number, because the mean of its divisors is an integer number (167781348174).

Almost surely, 2^671066084207 is an apocalyptic number.

671066084207 is a deficient number, since it is larger than the sum of its proper divisors (59308489).

671066084207 is a wasteful number, since it uses less digits than its factorization.

671066084207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59308488.

The product of its (nonzero) digits is 677376, while the sum is 47.

The spelling of 671066084207 in words is "six hundred seventy-one billion, sixty-six million, eighty-four thousand, two hundred seven".