40143202166 has 24 divisors (see below), whose sum is σ = 63870382800. Its totient is φ = 18919579536.

The previous prime is 40143202159. The next prime is 40143202189. The reversal of 40143202166 is 66120234104.

It is a super-2 number, since 2×40143202166² (a number of 22 digits) contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 3980 + ... + 283376.

It is an arithmetic number, because the mean of its divisors is an integer number (2661265950).

Almost surely, 2^40143202166 is an apocalyptic number.

40143202166 is a deficient number, since it is larger than the sum of its proper divisors (23727180634).

40143202166 is a wasteful number, since it uses less digits than its factorization.

40143202166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279636 (or 279617 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 40143202166 in words is "forty billion, one hundred forty-three million, two hundred two thousand, one hundred sixty-six".