10640659 has 4 divisors (see below), whose sum is σ = 10867104. Its totient is φ = 10414216.

The previous prime is 10640647. The next prime is 10640671. The reversal of 10640659 is 95604601.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (10640647) and next prime (10640671).

It is a cyclic number.

It is not a de Polignac number, because 10640659 - 2¹³ = 10632467 is a prime.

It is a super-2 number, since 2×10640659² = 226447247908562, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10640659.

It is not an unprimeable number, because it can be changed into a prime (10640629) 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 3 ways as a sum of consecutive naturals, for example, 113152 + ... + 113245.

It is an arithmetic number, because the mean of its divisors is an integer number (2716776).

Almost surely, 2^10640659 is an apocalyptic number.

10640659 is a deficient number, since it is larger than the sum of its proper divisors (226445).

10640659 is an equidigital number, since it uses as much as digits as its factorization.

10640659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226444.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 10640659 is about 3262.0022992021. The cubic root of 10640659 is about 219.9494305257.

The spelling of 10640659 in words is "ten million, six hundred forty thousand, six hundred fifty-nine".