550644014254161 has 16 divisors (see below), whose sum is σ = 790826746982400. Its totient is φ = 339808367841360.

The previous prime is 550644014254153. The next prime is 550644014254163. The reversal of 550644014254161 is 161452410446055.

It is not a de Polignac number, because 550644014254161 - 2³ = 550644014254153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 550644014254161.

It is not an unprimeable number, because it can be changed into a prime (550644014254163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128715288711 + ... + 128715292988.

It is an arithmetic number, because the mean of its divisors is an integer number (49426671686400).

Almost surely, 2^{550644014254161} is an apocalyptic number.

It is an amenable number.

550644014254161 is a deficient number, since it is larger than the sum of its proper divisors (240182732728239).

550644014254161 is a wasteful number, since it uses less digits than its factorization.

550644014254161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257430581756.

The product of its (nonzero) digits is 2304000, while the sum is 48.

The spelling of 550644014254161 in words is "five hundred fifty trillion, six hundred forty-four billion, fourteen million, two hundred fifty-four thousand, one hundred sixty-one".