65944148 has 6 divisors (see below), whose sum is σ = 115402266. Its totient is φ = 32972072.

The previous prime is 65944133. The next prime is 65944171. The reversal of 65944148 is 84144956.

65944148 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 59783824 + 6160324 = 7732^2 + 2482^2 .

65944148 is strictly pandigital in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8243015 + ... + 8243022.

It is an arithmetic number, because the mean of its divisors is an integer number (19233711).

Almost surely, 2^65944148 is an apocalyptic number.

It is an amenable number.

65944148 is a deficient number, since it is larger than the sum of its proper divisors (49458118).

65944148 is a wasteful number, since it uses less digits than its factorization.

65944148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16486041 (or 16486039 counting only the distinct ones).

The product of its digits is 138240, while the sum is 41.

The square root of 65944148 is about 8120.6002241214. The cubic root of 65944148 is about 404.0099742660.

The spelling of 65944148 in words is "sixty-five million, nine hundred forty-four thousand, one hundred forty-eight".