1662560 has 24 divisors (see below), whose sum is σ = 3928176. Its totient is φ = 664960.

The previous prime is 1662559. The next prime is 1662571. The reversal of 1662560 is 652661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5036 + ... + 5355.

It is an arithmetic number, because the mean of its divisors is an integer number (163674).

2^1662560 is an apocalyptic number.

1662560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1662560 is an abundant number, since it is smaller than the sum of its proper divisors (2265616).

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

1662560 is a wasteful number, since it uses less digits than its factorization.

1662560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10406 (or 10398 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1662560 is about 1289.4029626149. The cubic root of 1662560 is about 118.4656502242.

It can be divided in two parts, 1662 and 560, that added together give a palindrome (2222).

The spelling of 1662560 in words is "one million, six hundred sixty-two thousand, five hundred sixty".