66080449 has 8 divisors (see below), whose sum is σ = 70421760. Its totient is φ = 61861536.

The previous prime is 66080447. The next prime is 66080459. The reversal of 66080449 is 94408066.

66080449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 66080449 - 2¹ = 66080447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66080447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29484 + ... + 31645.

It is an arithmetic number, because the mean of its divisors is an integer number (8802720).

Almost surely, 2^66080449 is an apocalyptic number.

It is an amenable number.

66080449 is a deficient number, since it is larger than the sum of its proper divisors (4341311).

66080449 is a wasteful number, since it uses less digits than its factorization.

66080449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61199.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 66080449 is about 8128.9881904207. The cubic root of 66080449 is about 404.2881342397.

The spelling of 66080449 in words is "sixty-six million, eighty thousand, four hundred forty-nine".