26120161 has 2 divisors, whose sum is σ = 26120162. Its totient is φ = 26120160.

The previous prime is 26120153. The next prime is 26120173. The reversal of 26120161 is 16102162.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24443136 + 1677025 = 4944^2 + 1295^2 .

It is a cyclic number.

It is not a de Polignac number, because 26120161 - 2³ = 26120153 is a prime.

It is not a weakly prime, because it can be changed into another prime (26120141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13060080 + 13060081.

It is an arithmetic number, because the mean of its divisors is an integer number (13060081).

Almost surely, 2^26120161 is an apocalyptic number.

It is an amenable number.

26120161 is a deficient number, since it is larger than the sum of its proper divisors (1).

26120161 is an equidigital number, since it uses as much as digits as its factorization.

26120161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 26120161 is about 5110.7886866901. The cubic root of 26120161 is about 296.7052856906.

The spelling of 26120161 in words is "twenty-six million, one hundred twenty thousand, one hundred sixty-one".