1320226720160 has 96 divisors (see below), whose sum is σ = 3123731595600. Its totient is φ = 527296389120.

The previous prime is 1320226720157. The next prime is 1320226720237. The reversal of 1320226720160 is 610276220231.

It can be written as a sum of positive squares in 8 ways, for example, as 1230085064464 + 90141655696 = 1109092^2 + 300236^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 571773086 + ... + 571775394.

Almost surely, 2^{1320226720160} is an apocalyptic number.

1320226720160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320226720160 is an abundant number, since it is smaller than the sum of its proper divisors (1803504875440).

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

1320226720160 is a wasteful number, since it uses less digits than its factorization.

1320226720160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6154 (or 6146 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The spelling of 1320226720160 in words is "one trillion, three hundred twenty billion, two hundred twenty-six million, seven hundred twenty thousand, one hundred sixty".