1660929482880 has 384 divisors, whose sum is σ = 5801797797120. Its totient is φ = 437802983424.

The previous prime is 1660929482873. The next prime is 1660929482881. The reversal of 1660929482880 is 882849290661.

1660929482880 is a `hidden beast` number, since 1 + 6 + 60 + 9 + 294 + 8 + 288 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is not an unprimeable number, because it can be changed into a prime (1660929482881) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 363678357 + ... + 363682923.

It is an arithmetic number, because the mean of its divisors is an integer number (15108848430).

Almost surely, 2^{1660929482880} is an apocalyptic number.

1660929482880 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 1660929482880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2900898898560).

1660929482880 is an abundant number, since it is smaller than the sum of its proper divisors (4140868314240).

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

1660929482880 is a wasteful number, since it uses less digits than its factorization.

1660929482880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5308 (or 5293 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 63.

The spelling of 1660929482880 in words is "one trillion, six hundred sixty billion, nine hundred twenty-nine million, four hundred eighty-two thousand, eight hundred eighty".