1668052 has 12 divisors (see below), whose sum is σ = 3046176. Its totient is φ = 797720.

The previous prime is 1668031. The next prime is 1668053. The reversal of 1668052 is 2508661.

It is an Ulam number.

It is a pancake number, because a pancake can be divided into 1668052 parts by 1826 straight cuts.

It is a self number, because there is not a number n which added to its sum of digits gives 1668052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1668053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8974 + ... + 9157.

It is an arithmetic number, because the mean of its divisors is an integer number (253848).

2^1668052 is an apocalyptic number.

It is an amenable number.

1668052 is a deficient number, since it is larger than the sum of its proper divisors (1378124).

1668052 is a wasteful number, since it uses less digits than its factorization.

1668052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18158 (or 18156 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1668052 is about 1291.5308745826. The cubic root of 1668052 is about 118.5959509380.

The spelling of 1668052 in words is "one million, six hundred sixty-eight thousand, fifty-two".