10661632 has 18 divisors (see below), whose sum is σ = 21282128. Its totient is φ = 5330688.

The previous prime is 10661611. The next prime is 10661653. The reversal of 10661632 is 23616601.

It is an interprime number because it is at equal distance from previous prime (10661611) and next prime (10661653).

It is a super-2 number, since 2×10661632² = 227340793806848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10661597 and 10661606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20568 + ... + 21079.

Almost surely, 2^10661632 is an apocalyptic number.

It is an amenable number.

10661632 is a deficient number, since it is larger than the sum of its proper divisors (10620496).

10661632 is an frugal number, since it uses more digits than its factorization.

10661632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41663 (or 41649 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 10661632 is about 3265.2154599659. The cubic root of 10661632 is about 220.0938442612.

The spelling of 10661632 in words is "ten million, six hundred sixty-one thousand, six hundred thirty-two".