10661633 has 4 divisors (see below), whose sum is σ = 10765248. Its totient is φ = 10558020.

The previous prime is 10661611. The next prime is 10661653. The reversal of 10661633 is 33616601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33616601 = 1223 ⋅27487.

It is a cyclic number.

It is not a de Polignac number, because 10661633 - 2⁶ = 10661569 is a prime.

It is a super-2 number, since 2×10661633² = 227340836453378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10661653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51653 + ... + 51858.

It is an arithmetic number, because the mean of its divisors is an integer number (2691312).

Almost surely, 2^10661633 is an apocalyptic number.

It is an amenable number.

10661633 is a deficient number, since it is larger than the sum of its proper divisors (103615).

10661633 is a wasteful number, since it uses less digits than its factorization.

10661633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103614.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 10661633 is about 3265.2156130951. The cubic root of 10661633 is about 220.0938511423.

The spelling of 10661633 in words is "ten million, six hundred sixty-one thousand, six hundred thirty-three".