42137050166 has 4 divisors (see below), whose sum is σ = 63205575252. Its totient is φ = 21068525082.

The previous prime is 42137050159. The next prime is 42137050237. The reversal of 42137050166 is 66105073124.

42137050166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10534262540 + ... + 10534262543.

It is an arithmetic number, because the mean of its divisors is an integer number (15801393813).

Almost surely, 2^42137050166 is an apocalyptic number.

42137050166 is a deficient number, since it is larger than the sum of its proper divisors (21068525086).

42137050166 is a wasteful number, since it uses less digits than its factorization.

42137050166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21068525085.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 42137050166 in words is "forty-two billion, one hundred thirty-seven million, fifty thousand, one hundred sixty-six".