543617791606 has 4 divisors (see below), whose sum is σ = 815426687412. Its totient is φ = 271808895802.

The previous prime is 543617791603. The next prime is 543617791679. The reversal of 543617791606 is 606197716345.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543617791603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135904447900 + ... + 135904447903.

It is an arithmetic number, because the mean of its divisors is an integer number (203856671853).

Almost surely, 2^543617791606 is an apocalyptic number.

543617791606 is a deficient number, since it is larger than the sum of its proper divisors (271808895806).

543617791606 is a wasteful number, since it uses less digits than its factorization.

543617791606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271808895805.

The product of its (nonzero) digits is 5715360, while the sum is 55.

The spelling of 543617791606 in words is "five hundred forty-three billion, six hundred seventeen million, seven hundred ninety-one thousand, six hundred six".