66508532 has 12 divisors (see below), whose sum is σ = 116464320. Its totient is φ = 33233016.

The previous prime is 66508501. The next prime is 66508553. The reversal of 66508532 is 23580566.

It is a junction number, because it is equal to n+sod(n) for n = 66508492 and 66508501.

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, 3269 + ... + 11987.

It is an arithmetic number, because the mean of its divisors is an integer number (9705360).

Almost surely, 2^66508532 is an apocalyptic number.

It is an amenable number.

66508532 is a deficient number, since it is larger than the sum of its proper divisors (49955788).

66508532 is a wasteful number, since it uses less digits than its factorization.

66508532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10630 (or 10628 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 66508532 is about 8155.2763288561. The cubic root of 66508532 is about 405.1592768835.

The spelling of 66508532 in words is "sixty-six million, five hundred eight thousand, five hundred thirty-two".