13795166556865 has 8 divisors (see below), whose sum is σ = 16554219984000. Its totient is φ = 11036119834992.

The previous prime is 13795166556863. The next prime is 13795166556887. The reversal of 13795166556865 is 56865566159731.

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 13795166556865 - 2¹ = 13795166556863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13795166556863) 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, 6301432 + ... + 8203558.

It is an arithmetic number, because the mean of its divisors is an integer number (2069277498000).

Almost surely, 2^{13795166556865} is an apocalyptic number.

It is an amenable number.

13795166556865 is a deficient number, since it is larger than the sum of its proper divisors (2759053427135).

13795166556865 is a wasteful number, since it uses less digits than its factorization.

13795166556865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3352631.

The product of its digits is 1224720000, while the sum is 73.

The spelling of 13795166556865 in words is "thirteen trillion, seven hundred ninety-five billion, one hundred sixty-six million, five hundred fifty-six thousand, eight hundred sixty-five".