41664563 has 4 divisors (see below), whose sum is σ = 41691888. Its totient is φ = 41637240.

The previous prime is 41664551. The next prime is 41664617. The reversal of 41664563 is 36546614.

41664563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 41664563 - 2²² = 37470259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41664533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11231 + ... + 14472.

It is an arithmetic number, because the mean of its divisors is an integer number (10422972).

Almost surely, 2^41664563 is an apocalyptic number.

41664563 is a deficient number, since it is larger than the sum of its proper divisors (27325).

41664563 is a wasteful number, since it uses less digits than its factorization.

41664563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27324.

The product of its digits is 51840, while the sum is 35.

The square root of 41664563 is about 6454.8092923029. The cubic root of 41664563 is about 346.6748026731.

It can be divided in two parts, 416645 and 63, that multiplied together give a triangular number (26248635 = T₇₂₄₅).

The spelling of 41664563 in words is "forty-one million, six hundred sixty-four thousand, five hundred sixty-three".