6165563413 has 8 divisors (see below), whose sum is σ = 6335244632. Its totient is φ = 5996042496.

The previous prime is 6165563401. The next prime is 6165563419. The reversal of 6165563413 is 3143655616.

It can be written as a sum of positive squares in 4 ways, for example, as 915546564 + 5250016849 = 30258^2 + 72457^2 .

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 6165563413 - 2⁵ = 6165563381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6165563419) 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, 40081 + ... + 118057.

It is an arithmetic number, because the mean of its divisors is an integer number (791905579).

Almost surely, 2^6165563413 is an apocalyptic number.

It is an amenable number.

6165563413 is a deficient number, since it is larger than the sum of its proper divisors (169681219).

6165563413 is a wasteful number, since it uses less digits than its factorization.

6165563413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80151.

The product of its digits is 194400, while the sum is 40.

The square root of 6165563413 is about 78521.1017052104. The cubic root of 6165563413 is about 1833.6829898780.

The spelling of 6165563413 in words is "six billion, one hundred sixty-five million, five hundred sixty-three thousand, four hundred thirteen".