5521567161 has 16 divisors (see below), whose sum is σ = 8033503680. Its totient is φ = 3345515520.

The previous prime is 5521567159. The next prime is 5521567169. The reversal of 5521567161 is 1617651255.

It is a happy number.

It is not a de Polignac number, because 5521567161 - 2¹ = 5521567159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5521567169) 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, 116905 + ... + 157193.

It is an arithmetic number, because the mean of its divisors is an integer number (502093980).

Almost surely, 2^5521567161 is an apocalyptic number.

It is an amenable number.

5521567161 is a deficient number, since it is larger than the sum of its proper divisors (2511936519).

5521567161 is a wasteful number, since it uses less digits than its factorization.

5521567161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44456.

The product of its digits is 63000, while the sum is 39.

The square root of 5521567161 is about 74307.2483745698. The cubic root of 5521567161 is about 1767.4784187257.

The spelling of 5521567161 in words is "five billion, five hundred twenty-one million, five hundred sixty-seven thousand, one hundred sixty-one".