13071671657605 has 16 divisors (see below), whose sum is σ = 17392531235328. Its totient is φ = 9350823240000.

The previous prime is 13071671657533. The next prime is 13071671657669. The reversal of 13071671657605 is 50675617617031.

It is not a de Polignac number, because 13071671657605 - 2²³ = 13071663268997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1948084821 + ... + 1948091530.

It is an arithmetic number, because the mean of its divisors is an integer number (1087033202208).

Almost surely, 2^{13071671657605} is an apocalyptic number.

It is an amenable number.

13071671657605 is a deficient number, since it is larger than the sum of its proper divisors (4320859577723).

13071671657605 is a wasteful number, since it uses less digits than its factorization.

13071671657605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3896176428.

The product of its (nonzero) digits is 5556600, while the sum is 55.

The spelling of 13071671657605 in words is "thirteen trillion, seventy-one billion, six hundred seventy-one million, six hundred fifty-seven thousand, six hundred five".