26682665 has 16 divisors (see below), whose sum is σ = 32617728. Its totient is φ = 20951616.

The previous prime is 26682659. The next prime is 26682679. The reversal of 26682665 is 56628662.

It is a cyclic number.

It is not a de Polignac number, because 26682665 - 2¹⁴ = 26666281 is a prime.

It is a super-2 number, since 2×26682665² = 1423929223004450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101324 + ... + 101586.

It is an arithmetic number, because the mean of its divisors is an integer number (2038608).

Almost surely, 2^26682665 is an apocalyptic number.

It is an amenable number.

26682665 is a deficient number, since it is larger than the sum of its proper divisors (5935063).

26682665 is a wasteful number, since it uses less digits than its factorization.

26682665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568.

The product of its digits is 207360, while the sum is 41.

The square root of 26682665 is about 5165.5265946465. The cubic root of 26682665 is about 298.8200503323.

The spelling of 26682665 in words is "twenty-six million, six hundred eighty-two thousand, six hundred sixty-five".