6605061156 has 72 divisors (see below), whose sum is σ = 17474481024. Its totient is φ = 2099623680.

The previous prime is 6605061107. The next prime is 6605061209. The reversal of 6605061156 is 6511605066.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 6605061156.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 267201 + ... + 290871.

Almost surely, 2^6605061156 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 6605061156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8737240512).

6605061156 is an abundant number, since it is smaller than the sum of its proper divisors (10869419868).

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

6605061156 is a wasteful number, since it uses less digits than its factorization.

6605061156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24041 (or 24036 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 6605061156 is about 81271.5273389149. The cubic root of 6605061156 is about 1876.2568077234.

The spelling of 6605061156 in words is "six billion, six hundred five million, sixty-one thousand, one hundred fifty-six".