10640816 has 10 divisors (see below), whose sum is σ = 20616612. Its totient is φ = 5320400.

The previous prime is 10640807. The next prime is 10640821. The reversal of 10640816 is 61804601.

It is a super-2 number, since 2×10640816² = 226453930291712, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332510 + ... + 332541.

Almost surely, 2^10640816 is an apocalyptic number.

10640816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10640816 is a deficient number, since it is larger than the sum of its proper divisors (9975796).

10640816 is an equidigital number, since it uses as much as digits as its factorization.

10640816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665059 (or 665053 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 10640816 is about 3262.0263640872. The cubic root of 10640816 is about 219.9505122848.

The spelling of 10640816 in words is "ten million, six hundred forty thousand, eight hundred sixteen".