5516161501 has 2 divisors, whose sum is σ = 5516161502. Its totient is φ = 5516161500.

The previous prime is 5516161487. The next prime is 5516161537. The reversal of 5516161501 is 1051616155.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3074813401 + 2441348100 = 55451^2 + 49410^2 .

It is a cyclic number.

It is not a de Polignac number, because 5516161501 - 2⁷ = 5516161373 is a prime.

It is a super-2 number, since 2×5516161501² = 60856075410229146002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5516161591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2758080750 + 2758080751.

It is an arithmetic number, because the mean of its divisors is an integer number (2758080751).

Almost surely, 2^5516161501 is an apocalyptic number.

It is an amenable number.

5516161501 is a deficient number, since it is larger than the sum of its proper divisors (1).

5516161501 is an equidigital number, since it uses as much as digits as its factorization.

5516161501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4500, while the sum is 31.

The square root of 5516161501 is about 74270.8657617508. The cubic root of 5516161501 is about 1766.9014383897.

Adding to 5516161501 its reverse (1051616155), we get a palindrome (6567777656).

The spelling of 5516161501 in words is "five billion, five hundred sixteen million, one hundred sixty-one thousand, five hundred one".