66055026 has 8 divisors (see below), whose sum is σ = 132110064. Its totient is φ = 22018340.

The previous prime is 66055021. The next prime is 66055037. The reversal of 66055026 is 62055066.

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

66055026 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 66054984 and 66055002.

It is not an unprimeable number, because it can be changed into a prime (66055021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5504580 + ... + 5504591.

It is an arithmetic number, because the mean of its divisors is an integer number (16513758).

Almost surely, 2^66055026 is an apocalyptic number.

66055026 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.

66055026 is a wasteful number, since it uses less digits than its factorization.

66055026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11009176.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 66055026 is about 8127.4243152428. The cubic root of 66055026 is about 404.2362805988.

The spelling of 66055026 in words is "sixty-six million, fifty-five thousand, twenty-six".