26706661 has 8 divisors (see below), whose sum is σ = 27377280. Its totient is φ = 26044512.

The previous prime is 26706649. The next prime is 26706671. The reversal of 26706661 is 16660762.

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 26706661 - 2⁵ = 26706629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26706671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4521 + ... + 8593.

It is an arithmetic number, because the mean of its divisors is an integer number (3422160).

Almost surely, 2^26706661 is an apocalyptic number.

It is an amenable number.

26706661 is a deficient number, since it is larger than the sum of its proper divisors (670619).

26706661 is an equidigital number, since it uses as much as digits as its factorization.

26706661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4235.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 26706661 is about 5167.8487787473. The cubic root of 26706661 is about 298.9096008264.

The spelling of 26706661 in words is "twenty-six million, seven hundred six thousand, six hundred sixty-one".