66041044 has 6 divisors (see below), whose sum is σ = 115571834. Its totient is φ = 33020520.

The previous prime is 66041023. The next prime is 66041057. The reversal of 66041044 is 44014066.

It can be written as a sum of positive squares in only one way, i.e., 64963600 + 1077444 = 8060^2 + 1038^2 .

It is a super-2 number, since 2×66041044² = 8722838985219872, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 8255127 + ... + 8255134.

Almost surely, 2^66041044 is an apocalyptic number.

It is an amenable number.

66041044 is a deficient number, since it is larger than the sum of its proper divisors (49530790).

66041044 is a wasteful number, since it uses less digits than its factorization.

66041044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16510265 (or 16510263 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 66041044 is about 8126.5640956065. The cubic root of 66041044 is about 404.2077567510.

The spelling of 66041044 in words is "sixty-six million, forty-one thousand, forty-four".