1165529946448 has 160 divisors (see below), whose sum is σ = 2805888983040. Its totient is φ = 457695152640.

The previous prime is 1165529946443. The next prime is 1165529946473. The reversal of 1165529946448 is 8446499255611.

It is a self number, because there is not a number n which added to its sum of digits gives 1165529946448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165529946443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147962286 + ... + 147970162.

It is an arithmetic number, because the mean of its divisors is an integer number (17536806144).

Almost surely, 2^{1165529946448} 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 1165529946448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1402944491520).

1165529946448 is an abundant number, since it is smaller than the sum of its proper divisors (1640359036592).

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

1165529946448 is a wasteful number, since it uses less digits than its factorization.

1165529946448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10185 (or 10179 counting only the distinct ones).

The product of its digits is 74649600, while the sum is 64.

The spelling of 1165529946448 in words is "one trillion, one hundred sixty-five billion, five hundred twenty-nine million, nine hundred forty-six thousand, four hundred forty-eight".