667380334140 has 108 divisors (see below), whose sum is σ = 2192087812824. Its totient is φ = 164278228608.

The previous prime is 667380334109. The next prime is 667380334151. The reversal of 667380334140 is 41433083766.

667380334140 is a `hidden beast` number, since 66 + 73 + 80 + 33 + 414 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10939014 + ... + 10999853.

It is an arithmetic number, because the mean of its divisors is an integer number (20297109378).

Almost surely, 2^667380334140 is an apocalyptic number.

667380334140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

667380334140 is an abundant number, since it is smaller than the sum of its proper divisors (1524707478684).

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

667380334140 is a wasteful number, since it uses less digits than its factorization.

667380334140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21938908 (or 21938890 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

The spelling of 667380334140 in words is "six hundred sixty-seven billion, three hundred eighty million, three hundred thirty-four thousand, one hundred forty".