26961656 has 16 divisors (see below), whose sum is σ = 50608800. Its totient is φ = 13465984.

The previous prime is 26961607. The next prime is 26961659. The reversal of 26961656 is 65616962.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26961659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11600 + ... + 13728.

It is an arithmetic number, because the mean of its divisors is an integer number (3163050).

Almost surely, 2^26961656 is an apocalyptic number.

It is an amenable number.

26961656 is a deficient number, since it is larger than the sum of its proper divisors (23647144).

26961656 is a wasteful number, since it uses less digits than its factorization.

26961656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3718 (or 3714 counting only the distinct ones).

The product of its digits is 116640, while the sum is 41.

The square root of 26961656 is about 5192.4614586918. The cubic root of 26961656 is about 299.8579179047.

It can be divided in two parts, 26 and 961656, that multiplied together give a triangular number (25003056 = T₇₀₇₁).

The spelling of 26961656 in words is "twenty-six million, nine hundred sixty-one thousand, six hundred fifty-six".