162443561280 has 2688 divisors, whose sum is σ = 784563978240. Its totient is φ = 27869184000.

The previous prime is 162443561257. The next prime is 162443561281. The reversal of 162443561280 is 82165344261.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162443561281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 3962038060 + ... + 3962038100.

It is an arithmetic number, because the mean of its divisors is an integer number (291876480).

Almost surely, 2^162443561280 is an apocalyptic number.

162443561280 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 162443561280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (392281989120).

162443561280 is an abundant number, since it is smaller than the sum of its proper divisors (622120416960).

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

162443561280 is a wasteful number, since it uses less digits than its factorization.

162443561280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 162443561280 in words is "one hundred sixty-two billion, four hundred forty-three million, five hundred sixty-one thousand, two hundred eighty".