66580483 has 4 divisors (see below), whose sum is σ = 70497000. Its totient is φ = 62663968.

The previous prime is 66580477. The next prime is 66580487. The reversal of 66580483 is 38408566.

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 66580483 - 2²⁵ = 33026051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66580487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1958233 + ... + 1958266.

It is an arithmetic number, because the mean of its divisors is an integer number (17624250).

Almost surely, 2^66580483 is an apocalyptic number.

66580483 is a deficient number, since it is larger than the sum of its proper divisors (3916517).

66580483 is a wasteful number, since it uses less digits than its factorization.

66580483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3916516.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 66580483 is about 8159.6864523093. The cubic root of 66580483 is about 405.3053288671.

The spelling of 66580483 in words is "sixty-six million, five hundred eighty thousand, four hundred eighty-three".