1668295 has 16 divisors (see below), whose sum is σ = 2233440. Its totient is φ = 1188864.

The previous prime is 1668253. The next prime is 1668299. The reversal of 1668295 is 5928661.

It is a cyclic number.

It is not a de Polignac number, because 1668295 - 2¹³ = 1660103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1668299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1099 + ... + 2131.

It is an arithmetic number, because the mean of its divisors is an integer number (139590).

2^1668295 is an apocalyptic number.

1668295 is a deficient number, since it is larger than the sum of its proper divisors (565145).

1668295 is a wasteful number, since it uses less digits than its factorization.

1668295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074.

The product of its digits is 25920, while the sum is 37.

The square root of 1668295 is about 1291.6249455628. The cubic root of 1668295 is about 118.6017096347.

It can be divided in two parts, 166 and 8295, that multiplied together give a triangular number (1376970 = T₁₆₅₉).

The spelling of 1668295 in words is "one million, six hundred sixty-eight thousand, two hundred ninety-five".