16541764191284 has 6 divisors (see below), whose sum is σ = 28948087334754. Its totient is φ = 8270882095640.

The previous prime is 16541764191269. The next prime is 16541764191287. The reversal of 16541764191284 is 48219146714561.

It can be written as a sum of positive squares in only one way, i.e., 16184126702500 + 357637488784 = 4022950^2 + 598028^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16541764191287) by changing a digit.

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 as a sum of consecutive naturals, namely, 2067720523907 + ... + 2067720523914.

It is an arithmetic number, because the mean of its divisors is an integer number (4824681222459).

Almost surely, 2^{16541764191284} is an apocalyptic number.

It is an amenable number.

16541764191284 is a deficient number, since it is larger than the sum of its proper divisors (12406323143470).

16541764191284 is a wasteful number, since it uses less digits than its factorization.

16541764191284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4135441047825 (or 4135441047823 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 59.

The spelling of 16541764191284 in words is "sixteen trillion, five hundred forty-one billion, seven hundred sixty-four million, one hundred ninety-one thousand, two hundred eighty-four".