66480508 has 12 divisors (see below), whose sum is σ = 117648720. Its totient is φ = 32866592.

The previous prime is 66480493. The next prime is 66480521. The reversal of 66480508 is 80508466.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93016 + ... + 93727.

It is an arithmetic number, because the mean of its divisors is an integer number (9804060).

Almost surely, 2^66480508 is an apocalyptic number.

It is an amenable number.

66480508 is a deficient number, since it is larger than the sum of its proper divisors (51168212).

66480508 is a wasteful number, since it uses less digits than its factorization.

66480508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186836 (or 186834 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 66480508 is about 8153.5579963596. The cubic root of 66480508 is about 405.1023629893.

The spelling of 66480508 in words is "sixty-six million, four hundred eighty thousand, five hundred eight".