1179799656 has 96 divisors (see below), whose sum is σ = 3441204000. Its totient is φ = 336088704.

The previous prime is 1179799639. The next prime is 1179799657. The reversal of 1179799656 is 6569979711.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1179799656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1179799657) by changing a digit.

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, 456175 + ... + 458753.

It is an arithmetic number, because the mean of its divisors is an integer number (35845875).

Almost surely, 2^1179799656 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 1179799656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1720602000).

1179799656 is an abundant number, since it is smaller than the sum of its proper divisors (2261404344).

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

1179799656 is a wasteful number, since it uses less digits than its factorization.

1179799656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2991 (or 2980 counting only the distinct ones).

The product of its digits is 6429780, while the sum is 60.

The square root of 1179799656 is about 34348.2118311856. The cubic root of 1179799656 is about 1056.6619973898.

The spelling of 1179799656 in words is "one billion, one hundred seventy-nine million, seven hundred ninety-nine thousand, six hundred fifty-six".