26538066 has 24 divisors (see below), whose sum is σ = 57629520. Its totient is φ = 8825976.

The previous prime is 26538049. The next prime is 26538073. The reversal of 26538066 is 66083562.

It is a super-3 number, since 3×26538066³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26538066.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 8005 + ... + 10823.

It is an arithmetic number, because the mean of its divisors is an integer number (2401230).

Almost surely, 2^26538066 is an apocalyptic number.

26538066 is an abundant number, since it is smaller than the sum of its proper divisors (31091454).

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

26538066 is a wasteful number, since it uses less digits than its factorization.

26538066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3350 (or 3347 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 26538066 is about 5151.5110404618. The cubic root of 26538066 is about 298.2792826423.

The spelling of 26538066 in words is "twenty-six million, five hundred thirty-eight thousand, sixty-six".