685010605606 has 4 divisors (see below), whose sum is σ = 1027515908412. Its totient is φ = 342505302802.

The previous prime is 685010605603. The next prime is 685010605651. The reversal of 685010605606 is 606506010586.

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 (685010605603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171252651400 + ... + 171252651403.

It is an arithmetic number, because the mean of its divisors is an integer number (256878977103).

Almost surely, 2^685010605606 is an apocalyptic number.

685010605606 is a deficient number, since it is larger than the sum of its proper divisors (342505302806).

685010605606 is a wasteful number, since it uses less digits than its factorization.

685010605606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342505302805.

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 685010605606 in words is "six hundred eighty-five billion, ten million, six hundred five thousand, six hundred six".