1646160 has 80 divisors (see below), whose sum is σ = 5386560. Its totient is φ = 415872.

The previous prime is 1646153. The next prime is 1646171. The reversal of 1646160 is 616461.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1646160.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86631 + ... + 86649.

It is an arithmetic number, because the mean of its divisors is an integer number (67332).

2^1646160 is an apocalyptic number.

1646160 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 1646160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2693280).

1646160 is an abundant number, since it is smaller than the sum of its proper divisors (3740400).

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

1646160 is an equidigital number, since it uses as much as digits as its factorization.

1646160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73 (or 29 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1646160 is about 1283.0276692262. The cubic root of 1646160 is about 118.0748352262.

The spelling of 1646160 in words is "one million, six hundred forty-six thousand, one hundred sixty".