26698066 has 8 divisors (see below), whose sum is σ = 40086540. Its totient is φ = 13335888.

The previous prime is 26698051. The next prime is 26698069. The reversal of 26698066 is 66089662.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16232841 + 10465225 = 4029^2 + 3235^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (26698069) 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, 3801 + ... + 8236.

Almost surely, 2^26698066 is an apocalyptic number.

26698066 is a deficient number, since it is larger than the sum of its proper divisors (13388474).

26698066 is a wasteful number, since it uses less digits than its factorization.

26698066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13148.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 26698066 is about 5167.0171278988. The cubic root of 26698066 is about 298.8775313778.

The spelling of 26698066 in words is "twenty-six million, six hundred ninety-eight thousand, sixty-six".