40106165 has 8 divisors (see below), whose sum is σ = 52502688. Its totient is φ = 29168080.

The previous prime is 40106149. The next prime is 40106177. The reversal of 40106165 is 56160104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40106165 - 2⁴ = 40106149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40106165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364547 + ... + 364656.

It is an arithmetic number, because the mean of its divisors is an integer number (6562836).

Almost surely, 2^40106165 is an apocalyptic number.

It is an amenable number.

40106165 is a deficient number, since it is larger than the sum of its proper divisors (12396523).

40106165 is a wasteful number, since it uses less digits than its factorization.

40106165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729219.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 40106165 is about 6332.9428388388. The cubic root of 40106165 is about 342.2974880407.

Adding to 40106165 its reverse (56160104), we get a palindrome (96266269).

The spelling of 40106165 in words is "forty million, one hundred six thousand, one hundred sixty-five".