66182027 has 4 divisors (see below), whose sum is σ = 66514800. Its totient is φ = 65849256.

The previous prime is 66182023. The next prime is 66182029. The reversal of 66182027 is 72028166.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 66182027 - 2² = 66182023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66181984 and 66182002.

It is not an unprimeable number, because it can be changed into a prime (66182021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166088 + ... + 166485.

It is an arithmetic number, because the mean of its divisors is an integer number (16628700).

Almost surely, 2^66182027 is an apocalyptic number.

66182027 is a deficient number, since it is larger than the sum of its proper divisors (332773).

66182027 is a wasteful number, since it uses less digits than its factorization.

66182027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332772.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 66182027 is about 8135.2336782664. The cubic root of 66182027 is about 404.4951836582.

The spelling of 66182027 in words is "sixty-six million, one hundred eighty-two thousand, twenty-seven".