66080027 has 8 divisors (see below), whose sum is σ = 71794464. Its totient is φ = 60455808.

The previous prime is 66079999. The next prime is 66080041. The reversal of 66080027 is 72008066.

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

It is a cyclic number.

It is not a de Polignac number, because 66080027 - 2¹² = 66075931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66080227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21023 + ... + 23960.

It is an arithmetic number, because the mean of its divisors is an integer number (8974308).

Almost surely, 2^66080027 is an apocalyptic number.

66080027 is a deficient number, since it is larger than the sum of its proper divisors (5714437).

66080027 is a wasteful number, since it uses less digits than its factorization.

66080027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45109.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 66080027 is about 8128.9622338894. The cubic root of 66080027 is about 404.2872736223.

The spelling of 66080027 in words is "sixty-six million, eighty thousand, twenty-seven".