1161704346880 has 576 divisors, whose sum is σ = 3566645913600. Its totient is φ = 352008437760.

The previous prime is 1161704346871. The next prime is 1161704346941. The reversal of 1161704346880 is 886434071611.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1140043011 + ... + 1140044029.

It is an arithmetic number, because the mean of its divisors is an integer number (6192093600).

Almost surely, 2^{1161704346880} is an apocalyptic number.

1161704346880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1161704346880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1783322956800).

1161704346880 is an abundant number, since it is smaller than the sum of its proper divisors (2404941566720).

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

1161704346880 is a wasteful number, since it uses less digits than its factorization.

1161704346880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370 (or 1356 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 1161704346880 in words is "one trillion, one hundred sixty-one billion, seven hundred four million, three hundred forty-six thousand, eight hundred eighty".