26659668 has 48 divisors (see below), whose sum is σ = 74188800. Its totient is φ = 7285344.

The previous prime is 26659651. The next prime is 26659687. The reversal of 26659668 is 86695662.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4968 + ... + 8831.

It is an arithmetic number, because the mean of its divisors is an integer number (1545600).

Almost surely, 2^26659668 is an apocalyptic number.

26659668 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

26659668 is an abundant number, since it is smaller than the sum of its proper divisors (47529132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26659668 is a wasteful number, since it uses less digits than its factorization.

26659668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13836 (or 13834 counting only the distinct ones).

The product of its digits is 933120, while the sum is 48.

The square root of 26659668 is about 5163.3001074894. The cubic root of 26659668 is about 298.7341776019.

The spelling of 26659668 in words is "twenty-six million, six hundred fifty-nine thousand, six hundred sixty-eight".