41661851 has 16 divisors (see below), whose sum is σ = 54677760. Its totient is φ = 30754080.

The previous prime is 41661839. The next prime is 41661853. The reversal of 41661851 is 15816614.

It is a de Polignac number, because none of the positive numbers 2^k-41661851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41661853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12776 + ... + 15701.

It is an arithmetic number, because the mean of its divisors is an integer number (3417360).

Almost surely, 2^41661851 is an apocalyptic number.

41661851 is a deficient number, since it is larger than the sum of its proper divisors (13015909).

41661851 is a wasteful number, since it uses less digits than its factorization.

41661851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28514.

The product of its digits is 5760, while the sum is 32.

The square root of 41661851 is about 6454.5992129643. The cubic root of 41661851 is about 346.6672806736.

The spelling of 41661851 in words is "forty-one million, six hundred sixty-one thousand, eight hundred fifty-one".