667422464424 has 16 divisors (see below), whose sum is σ = 1668556161120. Its totient is φ = 222474154800.

The previous prime is 667422464417. The next prime is 667422464453. The reversal of 667422464424 is 424464224766.

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, 13904634652 + ... + 13904634699.

It is an arithmetic number, because the mean of its divisors is an integer number (104284760070).

Almost surely, 2^667422464424 is an apocalyptic number.

It is an amenable number.

667422464424 is an abundant number, since it is smaller than the sum of its proper divisors (1001133696696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

667422464424 is a wasteful number, since it uses less digits than its factorization.

667422464424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27809269360 (or 27809269356 counting only the distinct ones).

The product of its digits is 12386304, while the sum is 51.

The spelling of 667422464424 in words is "six hundred sixty-seven billion, four hundred twenty-two million, four hundred sixty-four thousand, four hundred twenty-four".