1660846080 has 256 divisors, whose sum is σ = 5536396800. Its totient is φ = 424673280.

The previous prime is 1660846073. The next prime is 1660846091. The reversal of 1660846080 is 806480661.

It is a tau number, because it is divible by the number of its divisors (256).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15237066 + ... + 15237174.

It is an arithmetic number, because the mean of its divisors is an integer number (21626550).

Almost surely, 2^1660846080 is an apocalyptic number.

1660846080 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 1660846080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2768198400).

1660846080 is an abundant number, since it is smaller than the sum of its proper divisors (3875550720).

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

1660846080 is an equidigital number, since it uses as much as digits as its factorization.

1660846080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 1660846080 is about 40753.4793606632. The cubic root of 1660846080 is about 1184.2492779251.

The spelling of 1660846080 in words is "one billion, six hundred sixty million, eight hundred forty-six thousand, eighty".