1166358204 has 216 divisors, whose sum is σ = 3448483584. Its totient is φ = 344282400.

The previous prime is 1166358173. The next prime is 1166358223. The reversal of 1166358204 is 4028536611.

It is a happy number.

1166358204 is a `hidden beast` number, since 1 + 16 + 63 + 582 + 0 + 4 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5527659 + ... + 5527869.

Almost surely, 2^1166358204 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 1166358204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1724241792).

1166358204 is an abundant number, since it is smaller than the sum of its proper divisors (2282125380).

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

1166358204 is a wasteful number, since it uses less digits than its factorization.

1166358204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 1166358204 is about 34151.9868236095. The cubic root of 1166358204 is about 1052.6338123302.

The spelling of 1166358204 in words is "one billion, one hundred sixty-six million, three hundred fifty-eight thousand, two hundred four".