1668095 has 16 divisors (see below), whose sum is σ = 2352672. Its totient is φ = 1119360.

The previous prime is 1668089. The next prime is 1668113. The reversal of 1668095 is 5908661.

It is not a de Polignac number, because 1668095 - 2⁶ = 1668031 is a prime.

It is a Duffinian number.

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, 452 + ... + 1881.

It is an arithmetic number, because the mean of its divisors is an integer number (147042).

2^1668095 is an apocalyptic number.

1668095 is a deficient number, since it is larger than the sum of its proper divisors (684577).

1668095 is a wasteful number, since it uses less digits than its factorization.

1668095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2362.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 1668095 is about 1291.5475213867. The cubic root of 1668095 is about 118.5969700073.

The spelling of 1668095 in words is "one million, six hundred sixty-eight thousand, ninety-five".