1668322435 has 16 divisors (see below), whose sum is σ = 2157047424. Its totient is φ = 1231385472.

The previous prime is 1668322427. The next prime is 1668322463. The reversal of 1668322435 is 5342238661.

It is a cyclic number.

It is not a de Polignac number, because 1668322435 - 2³ = 1668322427 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160249 + ... + 170341.

It is an arithmetic number, because the mean of its divisors is an integer number (134815464).

Almost surely, 2^1668322435 is an apocalyptic number.

1668322435 is a deficient number, since it is larger than the sum of its proper divisors (488724989).

1668322435 is a wasteful number, since it uses less digits than its factorization.

1668322435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12654.

The product of its digits is 207360, while the sum is 40.

The square root of 1668322435 is about 40845.1029500478. The cubic root of 1668322435 is about 1186.0235976354.

The spelling of 1668322435 in words is "one billion, six hundred sixty-eight million, three hundred twenty-two thousand, four hundred thirty-five".