5455616161 has 2 divisors, whose sum is σ = 5455616162. Its totient is φ = 5455616160.

The previous prime is 5455616137. The next prime is 5455616171. The reversal of 5455616161 is 1616165545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3891888225 + 1563727936 = 62385^2 + 39544^2 .

It is a cyclic number.

It is not a de Polignac number, because 5455616161 - 2²¹ = 5453519009 is a prime.

It is not a weakly prime, because it can be changed into another prime (5455616171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2727808080 + 2727808081.

It is an arithmetic number, because the mean of its divisors is an integer number (2727808081).

Almost surely, 2^5455616161 is an apocalyptic number.

It is an amenable number.

5455616161 is a deficient number, since it is larger than the sum of its proper divisors (1).

5455616161 is an equidigital number, since it uses as much as digits as its factorization.

5455616161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108000, while the sum is 40.

The square root of 5455616161 is about 73862.1429488747. The cubic root of 5455616161 is about 1760.4131434766.

The spelling of 5455616161 in words is "five billion, four hundred fifty-five million, six hundred sixteen thousand, one hundred sixty-one".