41663985 has 16 divisors (see below), whose sum is σ = 72722880. Its totient is φ = 20200640.

The previous prime is 41663983. The next prime is 41663987. The reversal of 41663985 is 58936614.

It is an interprime number because it is at equal distance from previous prime (41663983) and next prime (41663987).

It is not a de Polignac number, because 41663985 - 2¹ = 41663983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (41663983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126090 + ... + 126419.

It is an arithmetic number, because the mean of its divisors is an integer number (4545180).

Almost surely, 2^41663985 is an apocalyptic number.

It is an amenable number.

41663985 is a deficient number, since it is larger than the sum of its proper divisors (31058895).

41663985 is a wasteful number, since it uses less digits than its factorization.

41663985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252528.

The product of its digits is 155520, while the sum is 42.

The square root of 41663985 is about 6454.7645193299. The cubic root of 41663985 is about 346.6731995605.

The spelling of 41663985 in words is "forty-one million, six hundred sixty-three thousand, nine hundred eighty-five".