671807011197 has 8 divisors (see below), whose sum is σ = 1023705921856. Its totient is φ = 383889720672.

The previous prime is 671807011189. The next prime is 671807011217. The reversal of 671807011197 is 791110708176.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 671807011197 - 2³ = 671807011189 is a prime.

It is a super-3 number, since 3×671807011197³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671807011147) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 15995405008 + ... + 15995405049.

It is an arithmetic number, because the mean of its divisors is an integer number (127963240232).

Almost surely, 2^671807011197 is an apocalyptic number.

It is an amenable number.

671807011197 is a deficient number, since it is larger than the sum of its proper divisors (351898910659).

671807011197 is a wasteful number, since it uses less digits than its factorization.

671807011197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31990810067.

The product of its (nonzero) digits is 148176, while the sum is 48.

The spelling of 671807011197 in words is "six hundred seventy-one billion, eight hundred seven million, eleven thousand, one hundred ninety-seven".