6413685165 has 16 divisors (see below), whose sum is σ = 11402107200. Its totient is φ = 3420632016.

The previous prime is 6413685151. The next prime is 6413685169. The reversal of 6413685165 is 5615863146.

6413685165 is a `hidden beast` number, since 64 + 13 + 68 + 516 + 5 = 666.

It is not a de Polignac number, because 6413685165 - 2⁶ = 6413685101 is a prime.

It is a super-2 number, since 2×6413685165² = 82270714791482154450, which contains 22 as substring.

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 6413685165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6413685169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23754255 + ... + 23754524.

It is an arithmetic number, because the mean of its divisors is an integer number (712631700).

Almost surely, 2^6413685165 is an apocalyptic number.

It is an amenable number.

6413685165 is a deficient number, since it is larger than the sum of its proper divisors (4988422035).

6413685165 is a wasteful number, since it uses less digits than its factorization.

6413685165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47508793 (or 47508787 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 6413685165 is about 80085.4866065007. The cubic root of 6413685165 is about 1857.9579435914.

The spelling of 6413685165 in words is "six billion, four hundred thirteen million, six hundred eighty-five thousand, one hundred sixty-five".