65668423822 has 8 divisors (see below), whose sum is σ = 99374340816. Its totient is φ = 32543643552.

The previous prime is 65668423819. The next prime is 65668423913. The reversal of 65668423822 is 22832486656.

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 65668423822.

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, 145283898 + ... + 145284349.

It is an arithmetic number, because the mean of its divisors is an integer number (12421792602).

Almost surely, 2^65668423822 is an apocalyptic number.

65668423822 is a deficient number, since it is larger than the sum of its proper divisors (33705916994).

65668423822 is a wasteful number, since it uses less digits than its factorization.

65668423822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290568362.

The product of its digits is 6635520, while the sum is 52.

The spelling of 65668423822 in words is "sixty-five billion, six hundred sixty-eight million, four hundred twenty-three thousand, eight hundred twenty-two".