544851666158445 has 48 divisors (see below), whose sum is σ = 969942339649920. Its totient is φ = 282731446588032.

The previous prime is 544851666158431. The next prime is 544851666158473.

544851666158445 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 544851666158445 - 2¹¹ = 544851666156397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 204783576 + ... + 207427134.

It is an arithmetic number, because the mean of its divisors is an integer number (20207132076040).

Almost surely, 2^{544851666158445} is an apocalyptic number.

It is an amenable number.

544851666158445 is a deficient number, since it is larger than the sum of its proper divisors (425090673491475).

544851666158445 is a wasteful number, since it uses less digits than its factorization.

544851666158445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2767394 (or 2767391 counting only the distinct ones).

The product of its digits is 2211840000, while the sum is 72.

The spelling of 544851666158445 in words is "five hundred forty-four trillion, eight hundred fifty-one billion, six hundred sixty-six million, one hundred fifty-eight thousand, four hundred forty-five".