64466543 has 4 divisors (see below), whose sum is σ = 66208920. Its totient is φ = 62724168.

The previous prime is 64466531. The next prime is 64466557. The reversal of 64466543 is 34566446.

It is a happy number.

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 64466543 - 2⁸ = 64466287 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64466497 and 64466506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64466573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 871133 + ... + 871206.

It is an arithmetic number, because the mean of its divisors is an integer number (16552230).

Almost surely, 2^64466543 is an apocalyptic number.

64466543 is a deficient number, since it is larger than the sum of its proper divisors (1742377).

64466543 is a wasteful number, since it uses less digits than its factorization.

64466543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1742376.

The product of its digits is 207360, while the sum is 38.

The square root of 64466543 is about 8029.1059900838. The cubic root of 64466543 is about 400.9696123141.

The spelling of 64466543 in words is "sixty-four million, four hundred sixty-six thousand, five hundred forty-three".