26661441 has 8 divisors (see below), whose sum is σ = 35577504. Its totient is φ = 17759840.

The previous prime is 26661407. The next prime is 26661443. The reversal of 26661441 is 14416662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26661441 - 2¹¹ = 26659393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26661399 and 26661408.

It is not an unprimeable number, because it can be changed into a prime (26661443) 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 7 ways as a sum of consecutive naturals, for example, 1885 + ... + 7541.

It is an arithmetic number, because the mean of its divisors is an integer number (4447188).

Almost surely, 2^26661441 is an apocalyptic number.

It is an amenable number.

26661441 is a deficient number, since it is larger than the sum of its proper divisors (8916063).

26661441 is a wasteful number, since it uses less digits than its factorization.

26661441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7231.

The product of its digits is 6912, while the sum is 30.

The square root of 26661441 is about 5163.4717971535. The cubic root of 26661441 is about 298.7407998894.

The spelling of 26661441 in words is "twenty-six million, six hundred sixty-one thousand, four hundred forty-one".