40166067335671 has 2 divisors, whose sum is σ = 40166067335672. Its totient is φ = 40166067335670.

The previous prime is 40166067335659. The next prime is 40166067335731. The reversal of 40166067335671 is 17653376066104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40166067335671 - 2⁷ = 40166067335543 is a prime.

It is a super-2 number, since 2×40166067335671² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40166067335621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20083033667835 + 20083033667836.

It is an arithmetic number, because the mean of its divisors is an integer number (20083033667836).

Almost surely, 2^{40166067335671} is an apocalyptic number.

40166067335671 is a deficient number, since it is larger than the sum of its proper divisors (1).

40166067335671 is an equidigital number, since it uses as much as digits as its factorization.

40166067335671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11430720, while the sum is 55.

The spelling of 40166067335671 in words is "forty trillion, one hundred sixty-six billion, sixty-seven million, three hundred thirty-five thousand, six hundred seventy-one".