13718165085 has 48 divisors (see below), whose sum is σ = 24436361664. Its totient is φ = 7115302656.

The previous prime is 13718165077. The next prime is 13718165141. The reversal of 13718165085 is 58056181731.

13718165085 is a `hidden beast` number, since 137 + 1 + 8 + 1 + 6 + 508 + 5 = 666.

It is not a de Polignac number, because 13718165085 - 2³ = 13718165077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 13718165085.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 435642 + ... + 466068.

It is an arithmetic number, because the mean of its divisors is an integer number (509090868).

Almost surely, 2^13718165085 is an apocalyptic number.

13718165085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13718165085 is a deficient number, since it is larger than the sum of its proper divisors (10718196579).

13718165085 is a wasteful number, since it uses less digits than its factorization.

13718165085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30714 (or 30711 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 45.

The spelling of 13718165085 in words is "thirteen billion, seven hundred eighteen million, one hundred sixty-five thousand, eighty-five".