41615665 has 16 divisors (see below), whose sum is σ = 61463808. Its totient is φ = 26341056.

The previous prime is 41615663. The next prime is 41615731. The reversal of 41615665 is 56651614.

It is a happy number.

It is not a de Polignac number, because 41615665 - 2¹ = 41615663 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 41615665.

It is not an unprimeable number, because it can be changed into a prime (41615663) 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 15 ways as a sum of consecutive naturals, for example, 45277 + ... + 46186.

It is an arithmetic number, because the mean of its divisors is an integer number (3841488).

Almost surely, 2^41615665 is an apocalyptic number.

It is an amenable number.

41615665 is a deficient number, since it is larger than the sum of its proper divisors (19848143).

41615665 is a wasteful number, since it uses less digits than its factorization.

41615665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91488.

The product of its digits is 21600, while the sum is 34.

The square root of 41615665 is about 6451.0204619114. The cubic root of 41615665 is about 346.5391291000.

The spelling of 41615665 in words is "forty-one million, six hundred fifteen thousand, six hundred sixty-five".