66018048 has 72 divisors (see below), whose sum is σ = 178465728. Its totient is φ = 21660672.

The previous prime is 66018031. The next prime is 66018053. The reversal of 66018048 is 84081066.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50815 + ... + 52097.

Almost surely, 2^66018048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66018048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89232864).

66018048 is an abundant number, since it is smaller than the sum of its proper divisors (112447680).

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

66018048 is a wasteful number, since it uses less digits than its factorization.

66018048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369 (or 1355 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 66018048 is about 8125.1491063241. The cubic root of 66018048 is about 404.1608352201.

The spelling of 66018048 in words is "sixty-six million, eighteen thousand, forty-eight".