667480140012 has 24 divisors (see below), whose sum is σ = 1779947040256. Its totient is φ = 190708611408.

The previous prime is 667480139969. The next prime is 667480140013. The reversal of 667480140012 is 210041084766.

It is not an unprimeable number, because it can be changed into a prime (667480140013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3973095988 + ... + 3973096155.

Almost surely, 2^667480140012 is an apocalyptic number.

It is an amenable number.

667480140012 is an abundant number, since it is smaller than the sum of its proper divisors (1112466900244).

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

667480140012 is a wasteful number, since it uses less digits than its factorization.

667480140012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7946192157 (or 7946192155 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 667480140012 in words is "six hundred sixty-seven billion, four hundred eighty million, one hundred forty thousand, twelve".