10669856 has 12 divisors (see below), whose sum is σ = 21006342. Its totient is φ = 5334912.

The previous prime is 10669853. The next prime is 10669871. The reversal of 10669856 is 65896601.

It can be written as a sum of positive squares in only one way, i.e., 9709456 + 960400 = 3116^2 + 980^2 .

It is a super-2 number, since 2×10669856² = 227691654121472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10669853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166685 + ... + 166748.

Almost surely, 2^10669856 is an apocalyptic number.

10669856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10669856 is a deficient number, since it is larger than the sum of its proper divisors (10336486).

10669856 is an equidigital number, since it uses as much as digits as its factorization.

10669856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333443 (or 333435 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 10669856 is about 3266.4745521739. The cubic root of 10669856 is about 220.1504205455.

The spelling of 10669856 in words is "ten million, six hundred sixty-nine thousand, eight hundred fifty-six".