61966244 has 12 divisors (see below), whose sum is σ = 109968768. Its totient is φ = 30546600.

The previous prime is 61966217. The next prime is 61966249. The reversal of 61966244 is 44266916.

It is a happy number.

61966244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 61966198 and 61966207.

It is not an unprimeable number, because it can be changed into a prime (61966249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108812 + ... + 109379.

It is an arithmetic number, because the mean of its divisors is an integer number (9164064).

Almost surely, 2^61966244 is an apocalyptic number.

It is an amenable number.

61966244 is a deficient number, since it is larger than the sum of its proper divisors (48002524).

61966244 is a wasteful number, since it uses less digits than its factorization.

61966244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218266 (or 218264 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The square root of 61966244 is about 7871.8640740297. The cubic root of 61966244 is about 395.7173185792.

The spelling of 61966244 in words is "sixty-one million, nine hundred sixty-six thousand, two hundred forty-four".