667736671461703 has 8 divisors (see below), whose sum is σ = 673986266389008. Its totient is φ = 661487244410304.

The previous prime is 667736671461689. The next prime is 667736671461737. The reversal of 667736671461703 is 307164176637766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-667736671461703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667736671462703) 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, 33969526 + ... + 49893907.

It is an arithmetic number, because the mean of its divisors is an integer number (84248283298626).

Almost surely, 2^{667736671461703} is an apocalyptic number.

667736671461703 is a deficient number, since it is larger than the sum of its proper divisors (6249594927305).

667736671461703 is a wasteful number, since it uses less digits than its factorization.

667736671461703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83937953.

The product of its (nonzero) digits is 672126336, while the sum is 70.

The spelling of 667736671461703 in words is "six hundred sixty-seven trillion, seven hundred thirty-six billion, six hundred seventy-one million, four hundred sixty-one thousand, seven hundred three".