8133660 has 72 divisors (see below), whose sum is σ = 25050480. Its totient is φ = 2135808.

The previous prime is 8133641. The next prime is 8133707. The reversal of 8133660 is 663318.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12831 + ... + 13449.

Almost surely, 2^8133660 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 8133660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12525240).

8133660 is an abundant number, since it is smaller than the sum of its proper divisors (16916820).

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

8133660 is a wasteful number, since it uses less digits than its factorization.

8133660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707 (or 702 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 8133660 is about 2851.9572226806. The cubic root of 8133660 is about 201.1076871534.

Adding to 8133660 its reverse (663318), we get a palindrome (8796978).

It can be divided in two parts, 813 and 3660, that multiplied together give a triangular number (2975580 = T₂₄₃₉).

The spelling of 8133660 in words is "eight million, one hundred thirty-three thousand, six hundred sixty".