26566145 has 8 divisors (see below), whose sum is σ = 32123520. Its totient is φ = 21090160.

The previous prime is 26566093. The next prime is 26566147. The reversal of 26566145 is 54166562.

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

It is not a de Polignac number, because 26566145 - 2¹² = 26562049 is a prime.

It is a super-2 number, since 2×26566145² = 1411520120322050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26566147) 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, 19625 + ... + 20934.

It is an arithmetic number, because the mean of its divisors is an integer number (4015440).

Almost surely, 2^26566145 is an apocalyptic number.

It is an amenable number.

26566145 is a deficient number, since it is larger than the sum of its proper divisors (5557375).

26566145 is a wasteful number, since it uses less digits than its factorization.

26566145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40695.

The product of its digits is 43200, while the sum is 35.

The square root of 26566145 is about 5154.2356368331. The cubic root of 26566145 is about 298.3844451889.

The spelling of 26566145 in words is "twenty-six million, five hundred sixty-six thousand, one hundred forty-five".