10664738 has 16 divisors (see below), whose sum is σ = 19245120. Its totient is φ = 4329936.

The previous prime is 10664737. The next prime is 10664741. The reversal of 10664738 is 83746601.

It is a super-2 number, since 2×10664738² = 227473273217288, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 10664698 and 10664707.

It is not an unprimeable number, because it can be changed into a prime (10664737) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 19781 + ... + 20312.

It is an arithmetic number, because the mean of its divisors is an integer number (1202820).

Almost surely, 2^10664738 is an apocalyptic number.

10664738 is a deficient number, since it is larger than the sum of its proper divisors (8580382).

10664738 is a wasteful number, since it uses less digits than its factorization.

10664738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40121.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 10664738 is about 3265.6910447867. The cubic root of 10664738 is about 220.1152151328.

The spelling of 10664738 in words is "ten million, six hundred sixty-four thousand, seven hundred thirty-eight".