6541652561456 has 10 divisors (see below), whose sum is σ = 12674451837852. Its totient is φ = 3270826280720.

The previous prime is 6541652561443. The next prime is 6541652561461.

6541652561456 is nontrivially palindromic in base 10.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204426642530 + ... + 204426642561.

Almost surely, 2^{6541652561456} is an apocalyptic number.

It is an amenable number.

6541652561456 is a deficient number, since it is larger than the sum of its proper divisors (6132799276396).

6541652561456 is a wasteful number, since it uses less digits than its factorization.

6541652561456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408853285099 (or 408853285093 counting only the distinct ones).

The product of its digits is 25920000, while the sum is 56.

The spelling of 6541652561456 in words is "six trillion, five hundred forty-one billion, six hundred fifty-two million, five hundred sixty-one thousand, four hundred fifty-six".