10418665 has 4 divisors (see below), whose sum is σ = 12502404. Its totient is φ = 8334928.

The previous prime is 10418657. The next prime is 10418689. The reversal of 10418665 is 56681401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56681401 = 7 ⋅8097343.

It can be written as a sum of positive squares in 2 ways, for example, as 1827904 + 8590761 = 1352^2 + 2931^2 .

It is a cyclic number.

It is not a de Polignac number, because 10418665 - 2³ = 10418657 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1041862 + ... + 1041871.

It is an arithmetic number, because the mean of its divisors is an integer number (3125601).

Almost surely, 2^10418665 is an apocalyptic number.

It is an amenable number.

10418665 is a deficient number, since it is larger than the sum of its proper divisors (2083739).

10418665 is an equidigital number, since it uses as much as digits as its factorization.

10418665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2083738.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 10418665 is about 3227.7956874623. The cubic root of 10418665 is about 218.4090809308.

It can be divided in two parts, 104 and 18665, that added together give a square (18769 = 137²).

The spelling of 10418665 in words is "ten million, four hundred eighteen thousand, six hundred sixty-five".