66248452 has 12 divisors (see below), whose sum is σ = 117402880. Its totient is φ = 32704776.

The previous prime is 66248443. The next prime is 66248453. The reversal of 66248452 is 25484266.

It is not an unprimeable number, because it can be changed into a prime (66248453) 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, 104508 + ... + 105139.

Almost surely, 2^66248452 is an apocalyptic number.

It is an amenable number.

66248452 is a deficient number, since it is larger than the sum of its proper divisors (51154428).

66248452 is a wasteful number, since it uses less digits than its factorization.

66248452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209730 (or 209728 counting only the distinct ones).

The product of its digits is 92160, while the sum is 37.

The square root of 66248452 is about 8139.3152046103. The cubic root of 66248452 is about 404.6304651423.

The spelling of 66248452 in words is "sixty-six million, two hundred forty-eight thousand, four hundred fifty-two".