6545161522 has 8 divisors (see below), whose sum is σ = 9868611996. Its totient is φ = 3255624192.

The previous prime is 6545161501. The next prime is 6545161529. The reversal of 6545161522 is 2251615456.

It can be written as a sum of positive squares in 2 ways, for example, as 5569786161 + 975375361 = 74631^2 + 31231^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (6545161529) 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 3 ways as a sum of consecutive naturals, for example, 8477803 + ... + 8478574.

Almost surely, 2^6545161522 is an apocalyptic number.

6545161522 is a deficient number, since it is larger than the sum of its proper divisors (3323450474).

6545161522 is a wasteful number, since it uses less digits than its factorization.

6545161522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16956572.

The product of its digits is 72000, while the sum is 37.

The square root of 6545161522 is about 80902.1725419040. The cubic root of 6545161522 is about 1870.5678089273.

Adding to 6545161522 its reverse (2251615456), we get a palindrome (8796776978).

The spelling of 6545161522 in words is "six billion, five hundred forty-five million, one hundred sixty-one thousand, five hundred twenty-two".