10661533023 has 16 divisors (see below), whose sum is σ = 15047164800. Its totient is φ = 6695975520.

The previous prime is 10661532997. The next prime is 10661533039. The reversal of 10661533023 is 32033516601.

It is a happy number.

It is not a de Polignac number, because 10661533023 - 2¹⁰ = 10661531999 is a prime.

It is a super-2 number, since 2×10661533023² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10661533073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 512268 + ... + 532673.

It is an arithmetic number, because the mean of its divisors is an integer number (940447800).

Almost surely, 2^10661533023 is an apocalyptic number.

10661533023 is a deficient number, since it is larger than the sum of its proper divisors (4385631777).

10661533023 is a wasteful number, since it uses less digits than its factorization.

10661533023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045142.

The product of its (nonzero) digits is 9720, while the sum is 30.

The spelling of 10661533023 in words is "ten billion, six hundred sixty-one million, five hundred thirty-three thousand, twenty-three".