162644140120 has 256 divisors, whose sum is σ = 484202188800. Its totient is φ = 47602114560.

The previous prime is 162644140033. The next prime is 162644140123. The reversal of 162644140120 is 21041446261.

It is a super-3 number, since 3×162644140120³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162644140123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24239326 + ... + 24246034.

It is an arithmetic number, because the mean of its divisors is an integer number (1891414800).

Almost surely, 2^162644140120 is an apocalyptic number.

162644140120 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 162644140120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242101094400).

162644140120 is an abundant number, since it is smaller than the sum of its proper divisors (321558048680).

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

162644140120 is a wasteful number, since it uses less digits than its factorization.

162644140120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7218 (or 7214 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 162644140120 its reverse (21041446261), we get a palindrome (183685586381).

The spelling of 162644140120 in words is "one hundred sixty-two billion, six hundred forty-four million, one hundred forty thousand, one hundred twenty".