13207457461665 has 8 divisors (see below), whose sum is σ = 21131931938688. Its totient is φ = 7043977312880.

The previous prime is 13207457461637. The next prime is 13207457461721. The reversal of 13207457461665 is 56616475470231.

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

It is not a de Polignac number, because 13207457461665 - 2⁸ = 13207457461409 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440248582041 + ... + 440248582070.

It is an arithmetic number, because the mean of its divisors is an integer number (2641491492336).

Almost surely, 2^{13207457461665} is an apocalyptic number.

13207457461665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13207457461665 is a deficient number, since it is larger than the sum of its proper divisors (7924474477023).

13207457461665 is an equidigital number, since it uses as much as digits as its factorization.

13207457461665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880497164119.

The product of its (nonzero) digits is 25401600, while the sum is 57.

The spelling of 13207457461665 in words is "thirteen trillion, two hundred seven billion, four hundred fifty-seven million, four hundred sixty-one thousand, six hundred sixty-five".