667880670214 has 4 divisors (see below), whose sum is σ = 1001821005324. Its totient is φ = 333940335106.

The previous prime is 667880670211. The next prime is 667880670239. The reversal of 667880670214 is 412076088766.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667880670211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166970167552 + ... + 166970167555.

It is an arithmetic number, because the mean of its divisors is an integer number (250455251331).

Almost surely, 2^667880670214 is an apocalyptic number.

667880670214 is a deficient number, since it is larger than the sum of its proper divisors (333940335110).

667880670214 is a wasteful number, since it uses less digits than its factorization.

667880670214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333940335109.

The product of its (nonzero) digits is 5419008, while the sum is 55.

The spelling of 667880670214 in words is "six hundred sixty-seven billion, eight hundred eighty million, six hundred seventy thousand, two hundred fourteen".