206066642042 has 8 divisors (see below), whose sum is σ = 309729496032. Its totient is φ = 102823476700.

The previous prime is 206066641951. The next prime is 206066642069. The reversal of 206066642042 is 240246660602.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 206066641987 and 206066642005.

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, 104920934 + ... + 104922897.

It is an arithmetic number, because the mean of its divisors is an integer number (38716187004).

Almost surely, 2^206066642042 is an apocalyptic number.

206066642042 is a deficient number, since it is larger than the sum of its proper divisors (103662853990).

206066642042 is a wasteful number, since it uses less digits than its factorization.

206066642042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209844324.

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 206066642042 in words is "two hundred six billion, sixty-six million, six hundred forty-two thousand, forty-two".