1668333363 has 8 divisors (see below), whose sum is σ = 2255774976. Its totient is φ = 1096557000.

The previous prime is 1668333353. The next prime is 1668333371. The reversal of 1668333363 is 3633338661.

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

It is not a de Polignac number, because 1668333363 - 2¹⁶ = 1668267827 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1668333343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3916063 + ... + 3916488.

It is an arithmetic number, because the mean of its divisors is an integer number (281971872).

Almost surely, 2^1668333363 is an apocalyptic number.

1668333363 is a deficient number, since it is larger than the sum of its proper divisors (587441613).

1668333363 is an equidigital number, since it uses as much as digits as its factorization.

1668333363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7832625.

The product of its digits is 419904, while the sum is 42.

The square root of 1668333363 is about 40845.2367235153. The cubic root of 1668333363 is about 1186.0261872303.

The spelling of 1668333363 in words is "one billion, six hundred sixty-eight million, three hundred thirty-three thousand, three hundred sixty-three".