2044551342165 has 8 divisors (see below), whose sum is σ = 3271282147488. Its totient is φ = 1090427382480.

The previous prime is 2044551342157. The next prime is 2044551342179. The reversal of 2044551342165 is 5612431554402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2044551342165 - 2³ = 2044551342157 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 68151711391 + ... + 68151711420.

It is an arithmetic number, because the mean of its divisors is an integer number (408910268436).

Almost surely, 2^{2044551342165} is an apocalyptic number.

It is an amenable number.

2044551342165 is a deficient number, since it is larger than the sum of its proper divisors (1226730805323).

2044551342165 is a wasteful number, since it uses less digits than its factorization.

2044551342165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136303422819.

The product of its (nonzero) digits is 576000, while the sum is 42.

Adding to 2044551342165 its reverse (5612431554402), we get a palindrome (7656982896567).

The spelling of 2044551342165 in words is "two trillion, forty-four billion, five hundred fifty-one million, three hundred forty-two thousand, one hundred sixty-five".