544136161 has 2 divisors, whose sum is σ = 544136162. Its totient is φ = 544136160.

The previous prime is 544136129. The next prime is 544136167. The reversal of 544136161 is 161631445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 385376161 + 158760000 = 19631^2 + 12600^2 .

It is a cyclic number.

It is not a de Polignac number, because 544136161 - 2⁵ = 544136129 is a prime.

It is a super-3 number, since 3×544136161³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (544136167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272068080 + 272068081.

It is an arithmetic number, because the mean of its divisors is an integer number (272068081).

Almost surely, 2^544136161 is an apocalyptic number.

It is an amenable number.

544136161 is a deficient number, since it is larger than the sum of its proper divisors (1).

544136161 is an equidigital number, since it uses as much as digits as its factorization.

544136161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 31.

The square root of 544136161 is about 23326.7263241116. The cubic root of 544136161 is about 816.3991228196.

The spelling of 544136161 in words is "five hundred forty-four million, one hundred thirty-six thousand, one hundred sixty-one".