10050505661 has 16 divisors (see below), whose sum is σ = 12003955968. Its totient is φ = 8227612800.

The previous prime is 10050505643. The next prime is 10050505667. The reversal of 10050505661 is 16650505001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10050505661 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10050505667) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 59201 + ... + 153641.

It is an arithmetic number, because the mean of its divisors is an integer number (750247248).

Almost surely, 2^10050505661 is an apocalyptic number.

It is an amenable number.

10050505661 is a deficient number, since it is larger than the sum of its proper divisors (1953450307).

10050505661 is an equidigital number, since it uses as much as digits as its factorization.

10050505661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95132.

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 10050505661 in words is "ten billion, fifty million, five hundred five thousand, six hundred sixty-one".