671345033206 has 4 divisors (see below), whose sum is σ = 1007017549812. Its totient is φ = 335672516602.

The previous prime is 671345033197. The next prime is 671345033239. The reversal of 671345033206 is 602330543176.

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

It is a super-2 number, since 2×671345033206² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167836258300 + ... + 167836258303.

It is an arithmetic number, because the mean of its divisors is an integer number (251754387453).

Almost surely, 2^671345033206 is an apocalyptic number.

671345033206 is a deficient number, since it is larger than the sum of its proper divisors (335672516606).

671345033206 is a wasteful number, since it uses less digits than its factorization.

671345033206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335672516605.

The product of its (nonzero) digits is 272160, while the sum is 40.

The spelling of 671345033206 in words is "six hundred seventy-one billion, three hundred forty-five million, thirty-three thousand, two hundred six".