667070670704 has 20 divisors (see below), whose sum is σ = 1296284596464. Its totient is φ = 332545613568.

The previous prime is 667070670649. The next prime is 667070670793. The reversal of 667070670704 is 407076070766.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61852052 + ... + 61862835.

Almost surely, 2^667070670704 is an apocalyptic number.

It is an amenable number.

667070670704 is a deficient number, since it is larger than the sum of its proper divisors (629213925760).

667070670704 is a wasteful number, since it uses less digits than its factorization.

667070670704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123715232 (or 123715226 counting only the distinct ones).

The product of its (nonzero) digits is 2074464, while the sum is 50.

The spelling of 667070670704 in words is "six hundred sixty-seven billion, seventy million, six hundred seventy thousand, seven hundred four".