667422466118 has 4 divisors (see below), whose sum is σ = 1001133699180. Its totient is φ = 333711233058.

The previous prime is 667422466103. The next prime is 667422466133. The reversal of 667422466118 is 811664224766.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (667422466103) and next prime (667422466133).

It is a self number, because there is not a number n which added to its sum of digits gives 667422466118.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166855616528 + ... + 166855616531.

It is an arithmetic number, because the mean of its divisors is an integer number (250283424795).

Almost surely, 2^667422466118 is an apocalyptic number.

667422466118 is a deficient number, since it is larger than the sum of its proper divisors (333711233062).

667422466118 is a wasteful number, since it uses less digits than its factorization.

667422466118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333711233061.

The product of its digits is 4644864, while the sum is 53.

The spelling of 667422466118 in words is "six hundred sixty-seven billion, four hundred twenty-two million, four hundred sixty-six thousand, one hundred eighteen".