1642168 has 16 divisors (see below), whose sum is σ = 3359160. Its totient is φ = 746400.

The previous prime is 1642153. The next prime is 1642187. The reversal of 1642168 is 8612461.

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, 9243 + ... + 9418.

2^1642168 is an apocalyptic number.

It is an amenable number.

1642168 is an abundant number, since it is smaller than the sum of its proper divisors (1716992).

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

1642168 is a wasteful number, since it uses less digits than its factorization.

1642168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18678 (or 18674 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 1642168 is about 1281.4710297155. The cubic root of 1642168 is about 117.9793126618.

It can be divided in two parts, 164 and 2168, that added together give a palindrome (2332).

The spelling of 1642168 in words is "one million, six hundred forty-two thousand, one hundred sixty-eight".