6651642546041 has 16 divisors (see below), whose sum is σ = 6676533864000. Its totient is φ = 6626805773568.

The previous prime is 6651642546013. The next prime is 6651642546149. The reversal of 6651642546041 is 1406452461566.

It is a cyclic number.

It is not a de Polignac number, because 6651642546041 - 2²² = 6651638351737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6651642548041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1012577405 + ... + 1012583973.

It is an arithmetic number, because the mean of its divisors is an integer number (417283366500).

Almost surely, 2^{6651642546041} is an apocalyptic number.

It is an amenable number.

6651642546041 is a deficient number, since it is larger than the sum of its proper divisors (24891317959).

6651642546041 is a wasteful number, since it uses less digits than its factorization.

6651642546041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10168.

The product of its (nonzero) digits is 4147200, while the sum is 50.

The spelling of 6651642546041 in words is "six trillion, six hundred fifty-one billion, six hundred forty-two million, five hundred forty-six thousand, forty-one".