1161330606 has 24 divisors (see below), whose sum is σ = 2538488160. Its totient is φ = 383683776.

The previous prime is 1161330529. The next prime is 1161330641. The reversal of 1161330606 is 6060331611.

It is a happy number.

1161330606 is a `hidden beast` number, since 1 + 16 + 13 + 30 + 606 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1161330606.

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, 283446 + ... + 287513.

It is an arithmetic number, because the mean of its divisors is an integer number (105770340).

Almost surely, 2^1161330606 is an apocalyptic number.

1161330606 is an abundant number, since it is smaller than the sum of its proper divisors (1377157554).

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

1161330606 is a wasteful number, since it uses less digits than its factorization.

1161330606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571080 (or 571077 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 1161330606 is about 34078.3011020209. The cubic root of 1161330606 is about 1051.1191713026.

The spelling of 1161330606 in words is "one billion, one hundred sixty-one million, three hundred thirty thousand, six hundred six".