66896848 has 20 divisors (see below), whose sum is σ = 129805060. Its totient is φ = 33398784.

The previous prime is 66896833. The next prime is 66896899. The reversal of 66896848 is 84869866.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 31945104 + 34951744 = 5652^2 + 5912^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9586 + ... + 15022.

It is an arithmetic number, because the mean of its divisors is an integer number (6490253).

Almost surely, 2^66896848 is an apocalyptic number.

It is an amenable number.

66896848 is a deficient number, since it is larger than the sum of its proper divisors (62908212).

66896848 is a wasteful number, since it uses less digits than its factorization.

66896848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6214 (or 6208 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 55.

The square root of 66896848 is about 8179.0493335106. The cubic root of 66896848 is about 405.9462667610.

The spelling of 66896848 in words is "sixty-six million, eight hundred ninety-six thousand, eight hundred forty-eight".