146686668 has 24 divisors (see below), whose sum is σ = 353310720. Its totient is φ = 47318160.

The previous prime is 146686667. The next prime is 146686697. The reversal of 146686668 is 866686641.

It is a self number, because there is not a number n which added to its sum of digits gives 146686668.

It is not an unprimeable number, because it can be changed into a prime (146686667) 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 7 ways as a sum of consecutive naturals, for example, 196788 + ... + 197531.

It is an arithmetic number, because the mean of its divisors is an integer number (14721280).

Almost surely, 2^146686668 is an apocalyptic number.

It is an amenable number.

146686668 is an abundant number, since it is smaller than the sum of its proper divisors (206624052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

146686668 is a wasteful number, since it uses less digits than its factorization.

146686668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394357 (or 394355 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 51.

The square root of 146686668 is about 12111.4271661105. The cubic root of 146686668 is about 527.3879644967.

The spelling of 146686668 in words is "one hundred forty-six million, six hundred eighty-six thousand, six hundred sixty-eight".