54442120166 has 16 divisors (see below), whose sum is σ = 93606298656. Its totient is φ = 23263099776.

The previous prime is 54442120157. The next prime is 54442120177. The reversal of 54442120166 is 66102124445.

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 7 ways as a sum of consecutive naturals, for example, 5764901 + ... + 5774336.

It is an arithmetic number, because the mean of its divisors is an integer number (5850393666).

Almost surely, 2^54442120166 is an apocalyptic number.

54442120166 is a deficient number, since it is larger than the sum of its proper divisors (39164178490).

54442120166 is a wasteful number, since it uses less digits than its factorization.

54442120166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11539583.

The product of its (nonzero) digits is 46080, while the sum is 35.

The spelling of 54442120166 in words is "fifty-four billion, four hundred forty-two million, one hundred twenty thousand, one hundred sixty-six".