5164323561 has 20 divisors (see below), whose sum is σ = 8050027392. Its totient is φ = 3293190648.

The previous prime is 5164323559. The next prime is 5164323583. The reversal of 5164323561 is 1653234615.

5164323561 is a `hidden beast` number, since 5 + 1 + 64 + 32 + 3 + 561 = 666.

It is not a de Polignac number, because 5164323561 - 2¹ = 5164323559 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5164322561) 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 19 ways as a sum of consecutive naturals, for example, 1384161 + ... + 1387886.

Almost surely, 2^5164323561 is an apocalyptic number.

It is an amenable number.

5164323561 is a deficient number, since it is larger than the sum of its proper divisors (2885703831).

5164323561 is a wasteful number, since it uses less digits than its factorization.

5164323561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2772082 (or 2772073 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 5164323561 is about 71863.2281559909. The cubic root of 5164323561 is about 1728.5070217181.

The spelling of 5164323561 in words is "five billion, one hundred sixty-four million, three hundred twenty-three thousand, five hundred sixty-one".