140166669166 has 8 divisors (see below), whose sum is σ = 221315793480. Its totient is φ = 66394738008.

The previous prime is 140166669119. The next prime is 140166669199. The reversal of 140166669166 is 661966661041.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1844298241 + ... + 1844298316.

It is an arithmetic number, because the mean of its divisors is an integer number (27664474185).

Almost surely, 2^140166669166 is an apocalyptic number.

140166669166 is a deficient number, since it is larger than the sum of its proper divisors (81149124314).

140166669166 is a wasteful number, since it uses less digits than its factorization.

140166669166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3688596578.

The product of its (nonzero) digits is 1679616, while the sum is 52.

The spelling of 140166669166 in words is "one hundred forty billion, one hundred sixty-six million, six hundred sixty-nine thousand, one hundred sixty-six".