26540166 has 8 divisors (see below), whose sum is σ = 53080344. Its totient is φ = 8846720.

The previous prime is 26540117. The next prime is 26540177. The reversal of 26540166 is 66104562.

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

26540166 is an admirable number.

It is a super-2 number, since 2×26540166² = 1408760822615112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2211675 + ... + 2211686.

It is an arithmetic number, because the mean of its divisors is an integer number (6635043).

Almost surely, 2^26540166 is an apocalyptic number.

26540166 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.

26540166 is a wasteful number, since it uses less digits than its factorization.

26540166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4423366.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 26540166 is about 5151.7148601218. The cubic root of 26540166 is about 298.2871502085.

The spelling of 26540166 in words is "twenty-six million, five hundred forty thousand, one hundred sixty-six".