10078165 has 4 divisors (see below), whose sum is σ = 12093804. Its totient is φ = 8062528.

The previous prime is 10078157. The next prime is 10078183. The reversal of 10078165 is 56187001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56187001 = 13 ⋅4322077.

It can be written as a sum of positive squares in 2 ways, for example, as 7540516 + 2537649 = 2746^2 + 1593^2 .

It is a cyclic number.

It is not a de Polignac number, because 10078165 - 2³ = 10078157 is a prime.

It is a Duffinian number.

It is a congruent 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, 1007812 + ... + 1007821.

It is an arithmetic number, because the mean of its divisors is an integer number (3023451).

Almost surely, 2^10078165 is an apocalyptic number.

It is an amenable number.

10078165 is a deficient number, since it is larger than the sum of its proper divisors (2015639).

10078165 is an equidigital number, since it uses as much as digits as its factorization.

10078165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2015638.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 10078165 is about 3174.6125747877. The cubic root of 10078165 is about 216.0033507139.

The spelling of 10078165 in words is "ten million, seventy-eight thousand, one hundred sixty-five".