42664143206 has 8 divisors (see below), whose sum is σ = 64093034064. Its totient is φ = 21299798520.

The previous prime is 42664143167. The next prime is 42664143217. The reversal of 42664143206 is 60234146624.

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 42664143206.

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, 16134890 + ... + 16137533.

It is an arithmetic number, because the mean of its divisors is an integer number (8011629258).

Almost surely, 2^42664143206 is an apocalyptic number.

42664143206 is a deficient number, since it is larger than the sum of its proper divisors (21428890858).

42664143206 is a wasteful number, since it uses less digits than its factorization.

42664143206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32273086.

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

The spelling of 42664143206 in words is "forty-two billion, six hundred sixty-four million, one hundred forty-three thousand, two hundred six".