41665090 has 8 divisors (see below), whose sum is σ = 74997180. Its totient is φ = 16666032.

The previous prime is 41665067. The next prime is 41665093. The reversal of 41665090 is 9056614.

It can be written as a sum of positive squares in 2 ways, for example, as 37540129 + 4124961 = 6127^2 + 2031^2 .

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

It is not an unprimeable number, because it can be changed into a prime (41665093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2083245 + ... + 2083264.

Almost surely, 2^41665090 is an apocalyptic number.

41665090 is a deficient number, since it is larger than the sum of its proper divisors (33332090).

41665090 is a wasteful number, since it uses less digits than its factorization.

41665090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4166516.

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

The square root of 41665090 is about 6454.8501144488. The cubic root of 41665090 is about 346.6762643217.

The spelling of 41665090 in words is "forty-one million, six hundred sixty-five thousand, ninety".