10661744 has 20 divisors (see below), whose sum is σ = 20712960. Its totient is φ = 5316480.

The previous prime is 10661741. The next prime is 10661747. The reversal of 10661744 is 44716601.

10661744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10661741) and next prime (10661747).

It is a super-2 number, since 2×10661744² = 227345570243072, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10661741) 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, 7697 + ... + 8975.

It is an arithmetic number, because the mean of its divisors is an integer number (1035648).

Almost surely, 2^10661744 is an apocalyptic number.

It is an amenable number.

10661744 is a deficient number, since it is larger than the sum of its proper divisors (10051216).

10661744 is a wasteful number, since it uses less digits than its factorization.

10661744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808 (or 1802 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 10661744 is about 3265.2326103970. The cubic root of 10661744 is about 220.0946149507.

The spelling of 10661744 in words is "ten million, six hundred sixty-one thousand, seven hundred forty-four".