2646085302661 has 8 divisors (see below), whose sum is σ = 2648260193600. Its totient is φ = 2643910819488.

The previous prime is 2646085302647. The next prime is 2646085302673. The reversal of 2646085302661 is 1662035806462.

2646085302661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2646085302661 - 2¹³ = 2646085294469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2646085302461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13637650 + ... + 13830316.

It is an arithmetic number, because the mean of its divisors is an integer number (331032524200).

Almost surely, 2^{2646085302661} is an apocalyptic number.

It is an amenable number.

2646085302661 is a deficient number, since it is larger than the sum of its proper divisors (2174890939).

2646085302661 is a wasteful number, since it uses less digits than its factorization.

2646085302661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203883.

The product of its (nonzero) digits is 2488320, while the sum is 49.

The spelling of 2646085302661 in words is "two trillion, six hundred forty-six billion, eighty-five million, three hundred two thousand, six hundred sixty-one".