1660160 has 36 divisors (see below), whose sum is σ = 3979668. Its totient is φ = 663552.

The previous prime is 1660133. The next prime is 1660177. The reversal of 1660160 is 610661.

It can be written as a sum of positive squares in 2 ways, for example, as 1290496 + 369664 = 1136^2 + 608^2 .

It is a super-2 number, since 2×1660160² = 5512262451200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632 + ... + 1928.

2^1660160 is an apocalyptic number.

1660160 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 1660160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1989834).

1660160 is an abundant number, since it is smaller than the sum of its proper divisors (2319508).

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

1660160 is an equidigital number, since it uses as much as digits as its factorization.

1660160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318 (or 1304 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1660160 is about 1288.4719632184. The cubic root of 1660160 is about 118.4086188028.

It can be divided in two parts, 16601 and 60, that added together give a palindrome (16661).

The spelling of 1660160 in words is "one million, six hundred sixty thousand, one hundred sixty".