1660303833120 has 384 divisors, whose sum is σ = 6227044750080. Its totient is φ = 411681669120.

The previous prime is 1660303833119. The next prime is 1660303833217. The reversal of 1660303833120 is 213383030661.

1660303833120 is a `hidden beast` number, since 1 + 6 + 603 + 0 + 3 + 8 + 33 + 12 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5959330 + ... + 6231710.

It is an arithmetic number, because the mean of its divisors is an integer number (16216262370).

Almost surely, 2^{1660303833120} is an apocalyptic number.

1660303833120 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 1660303833120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3113522375040).

1660303833120 is an abundant number, since it is smaller than the sum of its proper divisors (4566740916960).

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

1660303833120 is a wasteful number, since it uses less digits than its factorization.

1660303833120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272505 (or 272491 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

Adding to 1660303833120 its reverse (213383030661), we get a palindrome (1873686863781).

The spelling of 1660303833120 in words is "one trillion, six hundred sixty billion, three hundred three million, eight hundred thirty-three thousand, one hundred twenty".