6365624161 has 16 divisors (see below), whose sum is σ = 6973331904. Its totient is φ = 5775505344.

The previous prime is 6365624147. The next prime is 6365624171. The reversal of 6365624161 is 1614265636.

It is a cyclic number.

It is not a de Polignac number, because 6365624161 - 2¹¹ = 6365622113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6365624171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197590 + ... + 227536.

It is an arithmetic number, because the mean of its divisors is an integer number (435833244).

Almost surely, 2^6365624161 is an apocalyptic number.

It is an amenable number.

6365624161 is a deficient number, since it is larger than the sum of its proper divisors (607707743).

6365624161 is a wasteful number, since it uses less digits than its factorization.

6365624161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30240.

The product of its digits is 155520, while the sum is 40.

The square root of 6365624161 is about 79784.8617282752. The cubic root of 6365624161 is about 1853.3054284274.

Adding to 6365624161 its reverse (1614265636), we get a palindrome (7979889797).

The spelling of 6365624161 in words is "six billion, three hundred sixty-five million, six hundred twenty-four thousand, one hundred sixty-one".