26161907 has 2 divisors, whose sum is σ = 26161908. Its totient is φ = 26161906.

The previous prime is 26161871. The next prime is 26161937. The reversal of 26161907 is 70916162.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26161907 - 2¹² = 26157811 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26161937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13080953 + 13080954.

It is an arithmetic number, because the mean of its divisors is an integer number (13080954).

Almost surely, 2^26161907 is an apocalyptic number.

26161907 is a deficient number, since it is larger than the sum of its proper divisors (1).

26161907 is an equidigital number, since it uses as much as digits as its factorization.

26161907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 26161907 is about 5114.8711616227. The cubic root of 26161907 is about 296.8632692244.

The spelling of 26161907 in words is "twenty-six million, one hundred sixty-one thousand, nine hundred seven".