671537808601 has 8 divisors (see below), whose sum is σ = 736821307584. Its totient is φ = 606960077520.

The previous prime is 671537808541. The next prime is 671537808653. The reversal of 671537808601 is 106808735176.

671537808601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 671537808601 - 2¹¹ = 671537806553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (671537868601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176439981 + ... + 176443786.

It is an arithmetic number, because the mean of its divisors is an integer number (92102663448).

Almost surely, 2^671537808601 is an apocalyptic number.

It is an amenable number.

671537808601 is a deficient number, since it is larger than the sum of its proper divisors (65283498983).

671537808601 is a wasteful number, since it uses less digits than its factorization.

671537808601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352883951.

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 671537808601 in words is "six hundred seventy-one billion, five hundred thirty-seven million, eight hundred eight thousand, six hundred one".