66044950 has 36 divisors (see below), whose sum is σ = 129684780. Its totient is φ = 25020720.

The previous prime is 66044941. The next prime is 66044959. The reversal of 66044950 is 5944066.

It is an interprime number because it is at equal distance from previous prime (66044941) and next prime (66044959).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66044959) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 16221 + ... + 19879.

It is an arithmetic number, because the mean of its divisors is an integer number (3602355).

Almost surely, 2^66044950 is an apocalyptic number.

66044950 is a deficient number, since it is larger than the sum of its proper divisors (63639830).

66044950 is a wasteful number, since it uses less digits than its factorization.

66044950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3709 (or 3685 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 66044950 is about 8126.8044150207. The cubic root of 66044950 is about 404.2157255549.

The spelling of 66044950 in words is "sixty-six million, forty-four thousand, nine hundred fifty".