10661624 has 32 divisors (see below), whose sum is σ = 20748000. Its totient is φ = 5132160.

The previous prime is 10661611. The next prime is 10661653. The reversal of 10661624 is 42616601.

It is a happy number.

It is a super-2 number, since 2×10661624² = 227340452634752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10661593 and 10661602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53477 + ... + 53675.

It is an arithmetic number, because the mean of its divisors is an integer number (648375).

Almost surely, 2^10661624 is an apocalyptic number.

It is an amenable number.

10661624 is a deficient number, since it is larger than the sum of its proper divisors (10086376).

10661624 is a wasteful number, since it uses less digits than its factorization.

10661624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423 (or 419 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 10661624 is about 3265.2142349316. The cubic root of 10661624 is about 220.0937892117.

The spelling of 10661624 in words is "ten million, six hundred sixty-one thousand, six hundred twenty-four".