26161345 has 12 divisors (see below), whose sum is σ = 36519444. Its totient is φ = 17939040.

The previous prime is 26161307. The next prime is 26161349. The reversal of 26161345 is 54316162.

It can be written as a sum of positive squares in 2 ways, for example, as 18593344 + 7568001 = 4312^2 + 2751^2 .

It is not a de Polignac number, because 26161345 - 2⁷ = 26161217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26161349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53146 + ... + 53635.

It is an arithmetic number, because the mean of its divisors is an integer number (3043287).

Almost surely, 2^26161345 is an apocalyptic number.

It is an amenable number.

26161345 is a deficient number, since it is larger than the sum of its proper divisors (10358099).

26161345 is a wasteful number, since it uses less digits than its factorization.

26161345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106800 (or 106793 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 26161345 is about 5114.8162234825. The cubic root of 26161345 is about 296.8611435084.

The spelling of 26161345 in words is "twenty-six million, one hundred sixty-one thousand, three hundred forty-five".