1668350163 has 16 divisors (see below), whose sum is σ = 2277665280. Its totient is φ = 1085667744.

The previous prime is 1668350161. The next prime is 1668350171. The reversal of 1668350163 is 3610538661.

It is not a de Polignac number, because 1668350163 - 2¹ = 1668350161 is a prime.

It is a super-3 number, since 3×1668350163³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1668350161) by changing a digit.

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, 262993 + ... + 269261.

It is an arithmetic number, because the mean of its divisors is an integer number (142354080).

Almost surely, 2^1668350163 is an apocalyptic number.

1668350163 is a deficient number, since it is larger than the sum of its proper divisors (609315117).

1668350163 is a wasteful number, since it uses less digits than its factorization.

1668350163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8378.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 1668350163 is about 40845.4423773326. The cubic root of 1668350163 is about 1186.0301682837.

The spelling of 1668350163 in words is "one billion, six hundred sixty-eight million, three hundred fifty thousand, one hundred sixty-three".