162779216384 has 80 divisors (see below), whose sum is σ = 341237968896. Its totient is φ = 77472460800.

The previous prime is 162779216339. The next prime is 162779216387. The reversal of 162779216384 is 483612977261.

It is a super-3 number, since 3×162779216384³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (162779216387) 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 7 ways as a sum of consecutive naturals, for example, 884129 + ... + 1052255.

Almost surely, 2^162779216384 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 162779216384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170618984448).

162779216384 is an abundant number, since it is smaller than the sum of its proper divisors (178458752512).

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

162779216384 is an equidigital number, since it uses as much as digits as its factorization.

162779216384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168237 (or 168221 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 56.

The spelling of 162779216384 in words is "one hundred sixty-two billion, seven hundred seventy-nine million, two hundred sixteen thousand, three hundred eighty-four".