1338851566080 has 800 divisors, whose sum is σ = 5546920224384. Its totient is φ = 302308982784.

The previous prime is 1338851566079. The next prime is 1338851566099. The reversal of 1338851566080 is 806651588331.

1338851566080 is a `hidden beast` number, since 1 + 338 + 85 + 156 + 6 + 0 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 120470604 + ... + 120481716.

Almost surely, 2^{1338851566080} is an apocalyptic number.

1338851566080 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 1338851566080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2773460112192).

1338851566080 is an abundant number, since it is smaller than the sum of its proper divisors (4208068658304).

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

1338851566080 is an equidigital number, since it uses as much as digits as its factorization.

1338851566080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11238 (or 11213 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 54.

The spelling of 1338851566080 in words is "one trillion, three hundred thirty-eight billion, eight hundred fifty-one million, five hundred sixty-six thousand, eighty".