144372073166 has 4 divisors (see below), whose sum is σ = 216558109752. Its totient is φ = 72186036582.

The previous prime is 144372073129. The next prime is 144372073171. The reversal of 144372073166 is 661370273441.

It is a happy number.

144372073166 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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36093018290 + ... + 36093018293.

It is an arithmetic number, because the mean of its divisors is an integer number (54139527438).

Almost surely, 2^144372073166 is an apocalyptic number.

144372073166 is a deficient number, since it is larger than the sum of its proper divisors (72186036586).

144372073166 is an equidigital number, since it uses as much as digits as its factorization.

144372073166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72186036585.

The product of its (nonzero) digits is 508032, while the sum is 44.

The spelling of 144372073166 in words is "one hundred forty-four billion, three hundred seventy-two million, seventy-three thousand, one hundred sixty-six".