1164991717792 has 288 divisors, whose sum is σ = 2937331216512. Its totient is φ = 443943272448.

The previous prime is 1164991717751. The next prime is 1164991717793. The reversal of 1164991717792 is 2977171994611.

It is not an unprimeable number, because it can be changed into a prime (1164991717793) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 608985828 + ... + 608987740.

It is an arithmetic number, because the mean of its divisors is an integer number (10199066724).

Almost surely, 2^{1164991717792} 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 1164991717792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1468665608256).

1164991717792 is an abundant number, since it is smaller than the sum of its proper divisors (1772339498720).

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

1164991717792 is a wasteful number, since it uses less digits than its factorization.

1164991717792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2428 (or 2401 counting only the distinct ones).

The product of its digits is 12002256, while the sum is 64.

The spelling of 1164991717792 in words is "one trillion, one hundred sixty-four billion, nine hundred ninety-one million, seven hundred seventeen thousand, seven hundred ninety-two".