66267246 has 8 divisors (see below), whose sum is σ = 132534504. Its totient is φ = 22089080.

The previous prime is 66267217. The next prime is 66267247. The reversal of 66267246 is 64276266.

It is a sphenic number, since it is the product of 3 distinct primes.

66267246 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66267247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5522265 + ... + 5522276.

It is an arithmetic number, because the mean of its divisors is an integer number (16566813).

Almost surely, 2^66267246 is an apocalyptic number.

66267246 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66267246 is a wasteful number, since it uses less digits than its factorization.

66267246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11044546.

The product of its digits is 145152, while the sum is 39.

The square root of 66267246 is about 8140.4696424715. The cubic root of 66267246 is about 404.6687246826.

The spelling of 66267246 in words is "sixty-six million, two hundred sixty-seven thousand, two hundred forty-six".