26630166 has 8 divisors (see below), whose sum is σ = 53260344. Its totient is φ = 8876720.

The previous prime is 26630141. The next prime is 26630167. The reversal of 26630166 is 66103662.

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

26630166 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26630167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2219175 + ... + 2219186.

It is an arithmetic number, because the mean of its divisors is an integer number (6657543).

Almost surely, 2^26630166 is an apocalyptic number.

26630166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

26630166 is a wasteful number, since it uses less digits than its factorization.

26630166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4438366.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 26630166 is about 5160.4424228936. The cubic root of 26630166 is about 298.6239423123.

It can be divided in two parts, 26630 and 166, that added together give a triangular number (26796 = T₂₃₁).

The spelling of 26630166 in words is "twenty-six million, six hundred thirty thousand, one hundred sixty-six".