6541194995776 has 189 divisors, whose sum is σ = 15275652169869. Its totient is φ = 2771021062656.

The previous prime is 6541194995761. The next prime is 6541194995813. The reversal of 6541194995776 is 6775994911456.

The square root of 6541194995776 is 2557576.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 4559181530176 + 1982013465600 = 2135224^2 + 1407840^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6541194995699 and 6541194995708.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 15611443695 + ... + 15611444113.

Almost surely, 2^{6541194995776} is an apocalyptic number.

6541194995776 is the 2557576-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6541194995776

6541194995776 is an abundant number, since it is smaller than the sum of its proper divisors (8734457174093).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6541194995776 is an frugal number, since it uses more digits than its factorization.

6541194995776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082 (or 537 counting only the distinct ones).

The product of its digits is 514382400, while the sum is 73.

The spelling of 6541194995776 in words is "six trillion, five hundred forty-one billion, one hundred ninety-four million, nine hundred ninety-five thousand, seven hundred seventy-six".