66245044 has 12 divisors (see below), whose sum is σ = 117659584. Its totient is φ = 32628024.

The previous prime is 66245029. The next prime is 66245057. The reversal of 66245044 is 44054266.

It is a junction number, because it is equal to n+sod(n) for n = 66244997 and 66245015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123324 + ... + 123859.

Almost surely, 2^66245044 is an apocalyptic number.

It is an amenable number.

66245044 is a deficient number, since it is larger than the sum of its proper divisors (51414540).

66245044 is a wasteful number, since it uses less digits than its factorization.

66245044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247254 (or 247252 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 66245044 is about 8139.1058476960. The cubic root of 66245044 is about 404.6235265939.

The spelling of 66245044 in words is "sixty-six million, two hundred forty-five thousand, forty-four".