26049661 has 8 divisors (see below), whose sum is σ = 30089664. Its totient is φ = 22288320.

The previous prime is 26049643. The next prime is 26049689. The reversal of 26049661 is 16694062.

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 26049661 - 2¹⁹ = 25525373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26049601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69465 + ... + 69838.

It is an arithmetic number, because the mean of its divisors is an integer number (3761208).

Almost surely, 2^26049661 is an apocalyptic number.

It is an amenable number.

26049661 is a deficient number, since it is larger than the sum of its proper divisors (4040003).

26049661 is a wasteful number, since it uses less digits than its factorization.

26049661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139331.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 26049661 is about 5103.8868521941. The cubic root of 26049661 is about 296.4381029278.

The spelling of 26049661 in words is "twenty-six million, forty-nine thousand, six hundred sixty-one".