42143044166 has 16 divisors (see below), whose sum is σ = 68565586320. Its totient is φ = 19348312320.

The previous prime is 42143044159. The next prime is 42143044193. The reversal of 42143044166 is 66144034124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15114476 + ... + 15117263.

It is an arithmetic number, because the mean of its divisors is an integer number (4285349145).

Almost surely, 2^42143044166 is an apocalyptic number.

42143044166 is a deficient number, since it is larger than the sum of its proper divisors (26422542154).

42143044166 is a wasteful number, since it uses less digits than its factorization.

42143044166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30231799.

The product of its (nonzero) digits is 55296, while the sum is 35.

The spelling of 42143044166 in words is "forty-two billion, one hundred forty-three million, forty-four thousand, one hundred sixty-six".