1165662244560 has 160 divisors (see below), whose sum is σ = 3952195079040. Its totient is φ = 281858099200.

The previous prime is 1165662244543. The next prime is 1165662244567. The reversal of 1165662244560 is 654422665611.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165662244567) 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, 459430 + ... + 1594490.

It is an arithmetic number, because the mean of its divisors is an integer number (24701219244).

Almost surely, 2^{1165662244560} is an apocalyptic number.

1165662244560 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 1165662244560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1976097539520).

1165662244560 is an abundant number, since it is smaller than the sum of its proper divisors (2786532834480).

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

1165662244560 is a wasteful number, since it uses less digits than its factorization.

1165662244560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135477 (or 1135471 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 1165662244560 in words is "one trillion, one hundred sixty-five billion, six hundred sixty-two million, two hundred forty-four thousand, five hundred sixty".