41661045 has 24 divisors (see below), whose sum is σ = 73132800. Its totient is φ = 21936096.

The previous prime is 41661029. The next prime is 41661047. The reversal of 41661045 is 54016614.

41661045 is a `hidden beast` number, since 4 + 1 + 6 + 610 + 45 = 666.

It is not a de Polignac number, because 41661045 - 2⁴ = 41661029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41661047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2305 + ... + 9414.

It is an arithmetic number, because the mean of its divisors is an integer number (3047200).

Almost surely, 2^41661045 is an apocalyptic number.

41661045 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

41661045 is a deficient number, since it is larger than the sum of its proper divisors (31471755).

41661045 is a wasteful number, since it uses less digits than its factorization.

41661045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11809 (or 11806 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 41661045 is about 6454.5367765627. The cubic root of 41661045 is about 346.6650450902.

Adding to 41661045 its reverse (54016614), we get a palindrome (95677659).

The spelling of 41661045 in words is "forty-one million, six hundred sixty-one thousand, forty-five".