1660946488200 has 480 divisors, whose sum is σ = 6113128332960. Its totient is φ = 416518502400.

The previous prime is 1660946488193. The next prime is 1660946488297. The reversal of 1660946488200 is 28846490661.

1660946488200 is a `hidden beast` number, since 1 + 6 + 609 + 4 + 6 + 4 + 8 + 8 + 20 + 0 = 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 119 ways as a sum of consecutive naturals, for example, 551624695 + ... + 551627705.

It is an arithmetic number, because the mean of its divisors is an integer number (12735684027).

Almost surely, 2^{1660946488200} is an apocalyptic number.

1660946488200 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 1660946488200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3056564166480).

1660946488200 is an abundant number, since it is smaller than the sum of its proper divisors (4452181844760).

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

1660946488200 is a wasteful number, since it uses less digits than its factorization.

1660946488200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5059 (or 5041 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The spelling of 1660946488200 in words is "one trillion, six hundred sixty billion, nine hundred forty-six million, four hundred eighty-eight thousand, two hundred".