1668435274 has 8 divisors (see below), whose sum is σ = 2730166848. Its totient is φ = 758379660.

The previous prime is 1668435269. The next prime is 1668435317. The reversal of 1668435274 is 4725348661.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 37918962 + ... + 37919005.

It is an arithmetic number, because the mean of its divisors is an integer number (341270856).

Almost surely, 2^1668435274 is an apocalyptic number.

1668435274 is a deficient number, since it is larger than the sum of its proper divisors (1061731574).

1668435274 is a wasteful number, since it uses less digits than its factorization.

1668435274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75837980.

The product of its digits is 967680, while the sum is 46.

The square root of 1668435274 is about 40846.4842305920. The cubic root of 1668435274 is about 1186.0503364114.

The spelling of 1668435274 in words is "one billion, six hundred sixty-eight million, four hundred thirty-five thousand, two hundred seventy-four".