66201336 has 48 divisors (see below), whose sum is σ = 181162800. Its totient is φ = 21837312.

The previous prime is 66201313. The next prime is 66201361. The reversal of 66201336 is 63310266.

66201336 is a `hidden beast` number, since 6 + 620 + 1 + 3 + 36 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2245 + ... + 11723.

It is an arithmetic number, because the mean of its divisors is an integer number (3774225).

Almost surely, 2^66201336 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 66201336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90581400).

66201336 is an abundant number, since it is smaller than the sum of its proper divisors (114961464).

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

66201336 is a wasteful number, since it uses less digits than its factorization.

66201336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9588 (or 9581 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 66201336 is about 8136.4203431239. The cubic root of 66201336 is about 404.5345177917.

The spelling of 66201336 in words is "sixty-six million, two hundred one thousand, three hundred thirty-six".