160778444472320 has 288 divisors, whose sum is σ = 406904907689280. Its totient is φ = 60817177313280.

The previous prime is 160778444472319. The next prime is 160778444472427. The reversal of 160778444472320 is 23274444877061.

It is a happy number.

160778444472320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×160778444472320³ (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 160778444472320.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7109989334 + ... + 7110011946.

It is an arithmetic number, because the mean of its divisors is an integer number (1412864262810).

Almost surely, 2^{160778444472320} is an apocalyptic number.

160778444472320 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 160778444472320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203452453844640).

160778444472320 is an abundant number, since it is smaller than the sum of its proper divisors (246126463216960).

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

160778444472320 is an frugal number, since it uses more digits than its factorization.

160778444472320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23242 (or 23210 counting only the distinct ones).

The product of its (nonzero) digits is 50577408, while the sum is 59.

The spelling of 160778444472320 in words is "one hundred sixty trillion, seven hundred seventy-eight billion, four hundred forty-four million, four hundred seventy-two thousand, three hundred twenty".