547616161 has 2 divisors, whose sum is σ = 547616162. Its totient is φ = 547616160.

The previous prime is 547616149. The next prime is 547616191. The reversal of 547616161 is 161616745.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 516880225 + 30735936 = 22735^2 + 5544^2 .

It is a cyclic number.

It is not a de Polignac number, because 547616161 - 2⁷ = 547616033 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 547616161.

It is not a weakly prime, because it can be changed into another prime (547616191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273808080 + 273808081.

It is an arithmetic number, because the mean of its divisors is an integer number (273808081).

Almost surely, 2^547616161 is an apocalyptic number.

It is an amenable number.

547616161 is a deficient number, since it is larger than the sum of its proper divisors (1).

547616161 is an equidigital number, since it uses as much as digits as its factorization.

547616161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 37.

The square root of 547616161 is about 23401.1999905988. The cubic root of 547616161 is about 818.1358411467.

The spelling of 547616161 in words is "five hundred forty-seven million, six hundred sixteen thousand, one hundred sixty-one".