66836060 has 48 divisors (see below), whose sum is σ = 145236000. Its totient is φ = 25816320.

The previous prime is 66836041. The next prime is 66836071. The reversal of 66836060 is 6063866.

It is a self number, because there is not a number n which added to its sum of digits gives 66836060.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133691 + ... + 134189.

It is an arithmetic number, because the mean of its divisors is an integer number (3025750).

Almost surely, 2^66836060 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 66836060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72618000).

66836060 is an abundant number, since it is smaller than the sum of its proper divisors (78399940).

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

66836060 is a wasteful number, since it uses less digits than its factorization.

66836060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726 (or 724 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 66836060 is about 8175.3324091440. The cubic root of 66836060 is about 405.8232707326.

The spelling of 66836060 in words is "sixty-six million, eight hundred thirty-six thousand, sixty".