66484043 has 4 divisors (see below), whose sum is σ = 66500400. Its totient is φ = 66467688.

The previous prime is 66484039. The next prime is 66484049. The reversal of 66484043 is 34048466.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 34048466 = 2 ⋅17024233.

It is a cyclic number.

It is not a de Polignac number, because 66484043 - 2² = 66484039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66483994 and 66484012.

It is not an unprimeable number, because it can be changed into a prime (66484049) 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, 3146 + ... + 11952.

It is an arithmetic number, because the mean of its divisors is an integer number (16625100).

Almost surely, 2^66484043 is an apocalyptic number.

66484043 is a deficient number, since it is larger than the sum of its proper divisors (16357).

66484043 is an equidigital number, since it uses as much as digits as its factorization.

66484043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16356.

The product of its (nonzero) digits is 55296, while the sum is 35.

The square root of 66484043 is about 8153.7747700068. The cubic root of 66484043 is about 405.1095430962.

The spelling of 66484043 in words is "sixty-six million, four hundred eighty-four thousand, forty-three".