66254044 has 12 divisors (see below), whose sum is σ = 116004168. Its totient is φ = 33110000.

The previous prime is 66253963. The next prime is 66254057. The reversal of 66254044 is 44045266.

It is a junction number, because it is equal to n+sod(n) for n = 66253997 and 66254015.

It is a congruent number.

It is an unprimeable number.

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, 9294 + ... + 14794.

It is an arithmetic number, because the mean of its divisors is an integer number (9667014).

Almost surely, 2^66254044 is an apocalyptic number.

It is an amenable number.

66254044 is a deficient number, since it is larger than the sum of its proper divisors (49750124).

66254044 is a wasteful number, since it uses less digits than its factorization.

66254044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8516 (or 8514 counting only the distinct ones).

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

The square root of 66254044 is about 8139.6587152042. The cubic root of 66254044 is about 404.6418497097.

The spelling of 66254044 in words is "sixty-six million, two hundred fifty-four thousand, forty-four".