671677720341 has 8 divisors (see below), whose sum is σ = 896335089504. Its totient is φ = 447402749040.

The previous prime is 671677720333. The next prime is 671677720367. The reversal of 671677720341 is 143027776176.

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

It is not a de Polignac number, because 671677720341 - 2³ = 671677720333 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671677720541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95595366 + ... + 95602391.

It is an arithmetic number, because the mean of its divisors is an integer number (112041886188).

Almost surely, 2^671677720341 is an apocalyptic number.

It is an amenable number.

671677720341 is a deficient number, since it is larger than the sum of its proper divisors (224657369163).

671677720341 is a wasteful number, since it uses less digits than its factorization.

671677720341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191198931.

The product of its (nonzero) digits is 2074464, while the sum is 51.

The spelling of 671677720341 in words is "six hundred seventy-one billion, six hundred seventy-seven million, seven hundred twenty thousand, three hundred forty-one".