1662160 has 40 divisors (see below), whose sum is σ = 3928320. Its totient is φ = 653952.

The previous prime is 1662149. The next prime is 1662161. The reversal of 1662160 is 612661.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1662161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6189 + ... + 6451.

It is an arithmetic number, because the mean of its divisors is an integer number (98208).

2^1662160 is an apocalyptic number.

1662160 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 1662160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1964160).

1662160 is an abundant number, since it is smaller than the sum of its proper divisors (2266160).

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

1662160 is a wasteful number, since it uses less digits than its factorization.

1662160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355 (or 349 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1662160 is about 1289.2478427362. The cubic root of 1662160 is about 118.4561488005.

The spelling of 1662160 in words is "one million, six hundred sixty-two thousand, one hundred sixty".