66483091 has 4 divisors (see below), whose sum is σ = 66499672. Its totient is φ = 66466512.

The previous prime is 66483077. The next prime is 66483113. The reversal of 66483091 is 19038466.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 66483091 - 2¹¹ = 66481043 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 66483091.

It is not an unprimeable number, because it can be changed into a prime (66403091) 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, 1900 + ... + 11686.

It is an arithmetic number, because the mean of its divisors is an integer number (16624918).

Almost surely, 2^66483091 is an apocalyptic number.

66483091 is a deficient number, since it is larger than the sum of its proper divisors (16581).

66483091 is an equidigital number, since it uses as much as digits as its factorization.

66483091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16580.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 66483091 is about 8153.7163919283. The cubic root of 66483091 is about 405.1076094687.

The spelling of 66483091 in words is "sixty-six million, four hundred eighty-three thousand, ninety-one".