67842850666 has 8 divisors (see below), whose sum is σ = 102697893540. Its totient is φ = 33610219488.

The previous prime is 67842850627. The next prime is 67842850667. The reversal of 67842850666 is 66605824876.

It can be written as a sum of positive squares in 2 ways, for example, as 53923806225 + 13919044441 = 232215^2 + 117979^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 67842850666.

It is not an unprimeable number, because it can be changed into a prime (67842850667) 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, 155602651 + ... + 155603086.

Almost surely, 2^67842850666 is an apocalyptic number.

67842850666 is a deficient number, since it is larger than the sum of its proper divisors (34855042874).

67842850666 is a wasteful number, since it uses less digits than its factorization.

67842850666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311205848.

The product of its (nonzero) digits is 23224320, while the sum is 58.

The spelling of 67842850666 in words is "sixty-seven billion, eight hundred forty-two million, eight hundred fifty thousand, six hundred sixty-six".