667367760123743 has 12 divisors (see below), whose sum is σ = 777690130458960. Its totient is φ = 571024184385312.

The previous prime is 667367760123721. The next prime is 667367760123863. The reversal of 667367760123743 is 347321067763766.

It is not a de Polignac number, because 667367760123743 - 2⁸ = 667367760123487 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 (667367760123703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11968118171 + ... + 11968173932.

It is an arithmetic number, because the mean of its divisors is an integer number (64807510871580).

Almost surely, 2^{667367760123743} is an apocalyptic number.

667367760123743 is a deficient number, since it is larger than the sum of its proper divisors (110322370335217).

667367760123743 is a wasteful number, since it uses less digits than its factorization.

667367760123743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23936292686 (or 23936292679 counting only the distinct ones).

The product of its (nonzero) digits is 672126336, while the sum is 68.

The spelling of 667367760123743 in words is "six hundred sixty-seven trillion, three hundred sixty-seven billion, seven hundred sixty million, one hundred twenty-three thousand, seven hundred forty-three".