6661010635 has 16 divisors (see below), whose sum is σ = 8467635456. Its totient is φ = 5012840448.

The previous prime is 6661010513. The next prime is 6661010647. The reversal of 6661010635 is 5360101666.

It is a cyclic number.

It is not a de Polignac number, because 6661010635 - 2⁹ = 6661010123 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6661010635.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161062 + ... + 198148.

It is an arithmetic number, because the mean of its divisors is an integer number (529227216).

Almost surely, 2^6661010635 is an apocalyptic number.

6661010635 is a deficient number, since it is larger than the sum of its proper divisors (1806624821).

6661010635 is a wasteful number, since it uses less digits than its factorization.

6661010635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39222.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 6661010635 is about 81615.0147644415. The cubic root of 6661010635 is about 1881.5396542112.

The spelling of 6661010635 in words is "six billion, six hundred sixty-one million, ten thousand, six hundred thirty-five".