67664335942 has 8 divisors (see below), whose sum is σ = 115996004496. Its totient is φ = 28999001112.

The previous prime is 67664335939. The next prime is 67664335951. The reversal of 67664335942 is 24953346676.

67664335942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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, 2416583413 + ... + 2416583440.

It is an arithmetic number, because the mean of its divisors is an integer number (14499500562).

Almost surely, 2^67664335942 is an apocalyptic number.

67664335942 is a deficient number, since it is larger than the sum of its proper divisors (48331668554).

67664335942 is a wasteful number, since it uses less digits than its factorization.

67664335942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4833166862.

The product of its digits is 19595520, while the sum is 55.

The spelling of 67664335942 in words is "sixty-seven billion, six hundred sixty-four million, three hundred thirty-five thousand, nine hundred forty-two".