26160021 has 12 divisors (see below), whose sum is σ = 38319840. Its totient is φ = 17193960.

The previous prime is 26160011. The next prime is 26160031. The reversal of 26160021 is 12006162.

It is a happy number.

26160021 is a `hidden beast` number, since 2 + 61 + 600 + 2 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (26160011) and next prime (26160031).

It is not a de Polignac number, because 26160021 - 2⁹ = 26159509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26159976 and 26160003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26160011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19831 + ... + 21108.

It is an arithmetic number, because the mean of its divisors is an integer number (3193320).

Almost surely, 2^26160021 is an apocalyptic number.

It is an amenable number.

26160021 is a deficient number, since it is larger than the sum of its proper divisors (12159819).

26160021 is a wasteful number, since it uses less digits than its factorization.

26160021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41016 (or 41013 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 26160021 is about 5114.6867939298. The cubic root of 26160021 is about 296.8561354735.

Adding to 26160021 its reverse (12006162), we get a palindrome (38166183).

The spelling of 26160021 in words is "twenty-six million, one hundred sixty thousand, twenty-one".