10661561246333 has 32 divisors (see below), whose sum is σ = 11740901153760. Its totient is φ = 9636214210560.

The previous prime is 10661561246311. The next prime is 10661561246353. The reversal of 10661561246333 is 33364216516601.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 337948056889 + 10323613189444 = 581333^2 + 3213038^2 .

It is not a de Polignac number, because 10661561246333 - 2⁶ = 10661561246269 is a prime.

It is a super-2 number, since 2×10661561246333² (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 (10661561246353) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 662324141 + ... + 662340237.

It is an arithmetic number, because the mean of its divisors is an integer number (366903161055).

Almost surely, 2^{10661561246333} is an apocalyptic number.

It is an amenable number.

10661561246333 is a deficient number, since it is larger than the sum of its proper divisors (1079339907427).

10661561246333 is a wasteful number, since it uses less digits than its factorization.

10661561246333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23297.

The product of its (nonzero) digits is 1399680, while the sum is 47.

The spelling of 10661561246333 in words is "ten trillion, six hundred sixty-one billion, five hundred sixty-one million, two hundred forty-six thousand, three hundred thirty-three".