26700161 has 2 divisors, whose sum is σ = 26700162. Its totient is φ = 26700160.

The previous prime is 26700139. The next prime is 26700209. The reversal of 26700161 is 16100762.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25816561 + 883600 = 5081^2 + 940^2 .

It is a cyclic number.

It is not a de Polignac number, because 26700161 - 2¹⁰ = 26699137 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (26700101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13350080 + 13350081.

It is an arithmetic number, because the mean of its divisors is an integer number (13350081).

Almost surely, 2^26700161 is an apocalyptic number.

It is an amenable number.

26700161 is a deficient number, since it is larger than the sum of its proper divisors (1).

26700161 is an equidigital number, since it uses as much as digits as its factorization.

26700161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 26700161 is about 5167.2198521062. The cubic root of 26700161 is about 298.8853488236.

The spelling of 26700161 in words is "twenty-six million, seven hundred thousand, one hundred sixty-one".