1668350168 has 16 divisors (see below), whose sum is σ = 3145635000. Its totient is φ = 829514176.

The previous prime is 1668350161. The next prime is 1668350171. The reversal of 1668350168 is 8610538661.

It is a super-3 number, since 3×1668350168³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581093 + ... + 583956.

Almost surely, 2^1668350168 is an apocalyptic number.

It is an amenable number.

1668350168 is a deficient number, since it is larger than the sum of its proper divisors (1477284832).

1668350168 is a wasteful number, since it uses less digits than its factorization.

1668350168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165234 (or 1165230 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 1668350168 is about 40845.4424385390. The cubic root of 1668350168 is about 1186.0301694686.

The spelling of 1668350168 in words is "one billion, six hundred sixty-eight million, three hundred fifty thousand, one hundred sixty-eight".