66112508 has 24 divisors (see below), whose sum is σ = 144246144. Its totient is φ = 25758000.

The previous prime is 66112463. The next prime is 66112531. The reversal of 66112508 is 80521166.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 107018 + ... + 107633.

It is an arithmetic number, because the mean of its divisors is an integer number (6010256).

Almost surely, 2^66112508 is an apocalyptic number.

It is an amenable number.

66112508 is an abundant number, since it is smaller than the sum of its proper divisors (78133636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66112508 is a wasteful number, since it uses less digits than its factorization.

66112508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214673 (or 214671 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 66112508 is about 8130.9598449384. The cubic root of 66112508 is about 404.3535039420.

It can be divided in two parts, 6611 and 2508, that added together give a palindrome (9119).

The spelling of 66112508 in words is "sixty-six million, one hundred twelve thousand, five hundred eight".