201010166042044 has 12 divisors (see below), whose sum is σ = 351833751194184. Its totient is φ = 100486237129424.

The previous prime is 201010166042017. The next prime is 201010166042047. The reversal of 201010166042044 is 440240661010102.

It is a junction number, because it is equal to n+sod(n) for n = 201010166041997 and 201010166042015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201010166042047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4711448902 + ... + 4711491565.

It is an arithmetic number, because the mean of its divisors is an integer number (29319479266182).

Almost surely, 2^{201010166042044} is an apocalyptic number.

It is an amenable number.

201010166042044 is a deficient number, since it is larger than the sum of its proper divisors (150823585152140).

201010166042044 is a wasteful number, since it uses less digits than its factorization.

201010166042044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9422945804 (or 9422945802 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The spelling of 201010166042044 in words is "two hundred one trillion, ten billion, one hundred sixty-six million, forty-two thousand, forty-four".