1668055846 has 8 divisors (see below), whose sum is σ = 2521785600. Its totient is φ = 827460648.

The previous prime is 1668055817. The next prime is 1668055903. The reversal of 1668055846 is 6485508661.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1668055846.

It is a congruent number.

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, 3283321 + ... + 3283828.

It is an arithmetic number, because the mean of its divisors is an integer number (315223200).

Almost surely, 2^1668055846 is an apocalyptic number.

1668055846 is a deficient number, since it is larger than the sum of its proper divisors (853729754).

1668055846 is a wasteful number, since it uses less digits than its factorization.

1668055846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6567278.

The product of its (nonzero) digits is 1382400, while the sum is 49.

The square root of 1668055846 is about 40841.8394051982. The cubic root of 1668055846 is about 1185.9604208615.

The spelling of 1668055846 in words is "one billion, six hundred sixty-eight million, fifty-five thousand, eight hundred forty-six".