10661540300653 has 8 divisors (see below), whose sum is σ = 11642185156320. Its totient is φ = 9682797764880.

The previous prime is 10661540300647. The next prime is 10661540300759. The reversal of 10661540300653 is 35600304516601.

10661540300653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10661540300653 - 2⁹ = 10661540300141 is a prime.

It is a super-2 number, since 2×10661540300653² (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 (10661540300153) 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, 475568250 + ... + 475590667.

It is an arithmetic number, because the mean of its divisors is an integer number (1455273144540).

Almost surely, 2^{10661540300653} is an apocalyptic number.

It is an amenable number.

10661540300653 is a deficient number, since it is larger than the sum of its proper divisors (980644855667).

10661540300653 is a wasteful number, since it uses less digits than its factorization.

10661540300653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951159947.

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 10661540300653 in words is "ten trillion, six hundred sixty-one billion, five hundred forty million, three hundred thousand, six hundred fifty-three".