146668566 has 16 divisors (see below), whose sum is σ = 320004288. Its totient is φ = 44445000.

The previous prime is 146668523. The next prime is 146668589. The reversal of 146668566 is 665866641.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1111060 + ... + 1111191.

It is an arithmetic number, because the mean of its divisors is an integer number (20000268).

Almost surely, 2^146668566 is an apocalyptic number.

146668566 is an abundant number, since it is smaller than the sum of its proper divisors (173335722).

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

146668566 is a wasteful number, since it uses less digits than its factorization.

146668566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222267.

The product of its digits is 1244160, while the sum is 48.

The square root of 146668566 is about 12110.6798322803. The cubic root of 146668566 is about 527.3662693424.

It can be divided in two parts, 14666 and 8566, that added together give a palindrome (23232).

The spelling of 146668566 in words is "one hundred forty-six million, six hundred sixty-eight thousand, five hundred sixty-six".