6442168893286 has 32 divisors (see below), whose sum is σ = 11058016933440. Its totient is φ = 2757355416576.

The previous prime is 6442168893241. The next prime is 6442168893331. The reversal of 6442168893286 is 6823988612446.

It is an interprime number because it is at equal distance from previous prime (6442168893241) and next prime (6442168893331).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205561410 + ... + 205592746.

It is an arithmetic number, because the mean of its divisors is an integer number (345563029170).

Almost surely, 2^{6442168893286} is an apocalyptic number.

6442168893286 is a deficient number, since it is larger than the sum of its proper divisors (4615848040154).

6442168893286 is a wasteful number, since it uses less digits than its factorization.

6442168893286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49888.

The product of its digits is 191102976, while the sum is 67.

The spelling of 6442168893286 in words is "six trillion, four hundred forty-two billion, one hundred sixty-eight million, eight hundred ninety-three thousand, two hundred eighty-six".