143666606 has 8 divisors (see below), whose sum is σ = 215620704. Its totient is φ = 71793040.

The previous prime is 143666587. The next prime is 143666629. The reversal of 143666606 is 606666341.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 143666606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15455 + ... + 22938.

It is an arithmetic number, because the mean of its divisors is an integer number (26952588).

Almost surely, 2^143666606 is an apocalyptic number.

143666606 is a deficient number, since it is larger than the sum of its proper divisors (71954098).

143666606 is a wasteful number, since it uses less digits than its factorization.

143666606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40266.

The product of its (nonzero) digits is 93312, while the sum is 38.

The square root of 143666606 is about 11986.1005335347. The cubic root of 143666606 is about 523.7434572541.

The spelling of 143666606 in words is "one hundred forty-three million, six hundred sixty-six thousand, six hundred six".