10661030136 has 128 divisors (see below), whose sum is σ = 30547886400. Its totient is φ = 3486322944.

The previous prime is 10661030117. The next prime is 10661030147. The reversal of 10661030136 is 63103016601.

It is a happy number.

10661030136 is a `hidden beast` number, since 1 + 0 + 6 + 610 + 30 + 13 + 6 = 666.

It is a super-2 number, since 2×10661030136² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 921540 + ... + 933036.

Almost surely, 2^10661030136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10661030136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15273943200).

10661030136 is an abundant number, since it is smaller than the sum of its proper divisors (19886856264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10661030136 is an equidigital number, since it uses as much as digits as its factorization.

10661030136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11577 (or 11555 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

Adding to 10661030136 its reverse (63103016601), we get a palindrome (73764046737).

The spelling of 10661030136 in words is "ten billion, six hundred sixty-one million, thirty thousand, one hundred thirty-six".