6630805543 has 32 divisors (see below), whose sum is σ = 7289856000. Its totient is φ = 6014856960.

The previous prime is 6630805499. The next prime is 6630805589. The reversal of 6630805543 is 3455080366.

It is a de Polignac number, because none of the positive numbers 2^k-6630805543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6630805496 and 6630805505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6630805043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5872603 + ... + 5873731.

It is an arithmetic number, because the mean of its divisors is an integer number (227808000).

Almost surely, 2^6630805543 is an apocalyptic number.

6630805543 is a deficient number, since it is larger than the sum of its proper divisors (659050457).

6630805543 is a wasteful number, since it uses less digits than its factorization.

6630805543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375.

The product of its (nonzero) digits is 259200, while the sum is 40.

The square root of 6630805543 is about 81429.7583380916. The cubic root of 6630805543 is about 1878.6913277168.

The spelling of 6630805543 in words is "six billion, six hundred thirty million, eight hundred five thousand, five hundred forty-three".