67666671040034 has 16 divisors (see below), whose sum is σ = 110727648634176. Its totient is φ = 30757475314800.

The previous prime is 67666671039991. The next prime is 67666671040039. The reversal of 67666671040034 is 43004017666676.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (67666671040039) 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, 1845299 + ... + 11778729.

It is an arithmetic number, because the mean of its divisors is an integer number (6920478039636).

Almost surely, 2^{67666671040034} is an apocalyptic number.

67666671040034 is a deficient number, since it is larger than the sum of its proper divisors (43060977594142).

67666671040034 is a wasteful number, since it uses less digits than its factorization.

67666671040034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10243081.

The product of its (nonzero) digits is 18289152, while the sum is 56.

The spelling of 67666671040034 in words is "sixty-seven trillion, six hundred sixty-six billion, six hundred seventy-one million, forty thousand, thirty-four".