40671166166 has 16 divisors (see below), whose sum is σ = 61199727984. Its totient is φ = 20271357984.

The previous prime is 40671166117. The next prime is 40671166187. The reversal of 40671166166 is 66166117604.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 800720 + ... + 849996.

It is an arithmetic number, because the mean of its divisors is an integer number (3824982999).

Almost surely, 2^40671166166 is an apocalyptic number.

40671166166 is a deficient number, since it is larger than the sum of its proper divisors (20528561818).

40671166166 is a wasteful number, since it uses less digits than its factorization.

40671166166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50575.

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 40671166166 in words is "forty billion, six hundred seventy-one million, one hundred sixty-six thousand, one hundred sixty-six".