1169165479840 has 96 divisors (see below), whose sum is σ = 2854375324416. Its totient is φ = 452267289600.

The previous prime is 1169165479829. The next prime is 1169165479903. The reversal of 1169165479840 is 489745619611.

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 15 ways as a sum of consecutive naturals, for example, 146392 + ... + 1536151.

It is an arithmetic number, because the mean of its divisors is an integer number (29733076296).

Almost surely, 2^{1169165479840} is an apocalyptic number.

1169165479840 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 1169165479840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1427187662208).

1169165479840 is an abundant number, since it is smaller than the sum of its proper divisors (1685209844576).

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

1169165479840 is a wasteful number, since it uses less digits than its factorization.

1169165479840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682702 (or 1682694 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 61.

The spelling of 1169165479840 in words is "one trillion, one hundred sixty-nine billion, one hundred sixty-five million, four hundred seventy-nine thousand, eight hundred forty".