10655665600661 has 8 divisors (see below), whose sum is σ = 10688629026240. Its totient is φ = 10622720408608.

The previous prime is 10655665600651. The next prime is 10655665600669. The reversal of 10655665600661 is 16600656655601.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10655665600661 is a prime.

It is a super-2 number, since 2×10655665600661² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10655665600669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3387311 + ... + 5725836.

It is an arithmetic number, because the mean of its divisors is an integer number (1336078628280).

Almost surely, 2^{10655665600661} is an apocalyptic number.

It is an amenable number.

10655665600661 is a deficient number, since it is larger than the sum of its proper divisors (32963425579).

10655665600661 is an equidigital number, since it uses as much as digits as its factorization.

10655665600661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9116763.

The product of its (nonzero) digits is 5832000, while the sum is 53.

The spelling of 10655665600661 in words is "ten trillion, six hundred fifty-five billion, six hundred sixty-five million, six hundred thousand, six hundred sixty-one".