667950111224 has 32 divisors (see below), whose sum is σ = 1413374065200. Its totient is φ = 293144248320.

The previous prime is 667950111223. The next prime is 667950111259. The reversal of 667950111224 is 422111059766.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667950111223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130865417 + ... + 130870520.

Almost surely, 2^667950111224 is an apocalyptic number.

It is an amenable number.

667950111224 is an abundant number, since it is smaller than the sum of its proper divisors (745423953976).

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

667950111224 is a wasteful number, since it uses less digits than its factorization.

667950111224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261735983 (or 261735979 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 667950111224 in words is "six hundred sixty-seven billion, nine hundred fifty million, one hundred eleven thousand, two hundred twenty-four".