10661606011 has 8 divisors (see below), whose sum is σ = 12481880544. Its totient is φ = 8915628480.

The previous prime is 10661606009. The next prime is 10661606071. The reversal of 10661606011 is 11060616601.

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 10661606011 - 2¹ = 10661606009 is a prime.

It is a super-2 number, since 2×10661606011² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10661606071) 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, 18573940 + ... + 18574513.

It is an arithmetic number, because the mean of its divisors is an integer number (1560235068).

Almost surely, 2^10661606011 is an apocalyptic number.

10661606011 is a deficient number, since it is larger than the sum of its proper divisors (1820274533).

10661606011 is an equidigital number, since it uses as much as digits as its factorization.

10661606011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37148501.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 10661606011 in words is "ten billion, six hundred sixty-one million, six hundred six thousand, eleven".