66479488 has 16 divisors (see below), whose sum is σ = 132439860. Its totient is φ = 33239680.

The previous prime is 66479473. The next prime is 66479507. The reversal of 66479488 is 88497466.

It is a happy number.

66479488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 259558 + ... + 259813.

Almost surely, 2^66479488 is an apocalyptic number.

It is an amenable number.

66479488 is a deficient number, since it is larger than the sum of its proper divisors (65960372).

66479488 is an equidigital number, since it uses as much as digits as its factorization.

66479488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519385 (or 519373 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 52.

The square root of 66479488 is about 8153.4954467394. The cubic root of 66479488 is about 405.1002911713.

The spelling of 66479488 in words is "sixty-six million, four hundred seventy-nine thousand, four hundred eighty-eight".