85642605606 has 16 divisors (see below), whose sum is σ = 174929577984. Its totient is φ = 27940140744.

The previous prime is 85642605557. The next prime is 85642605611. The reversal of 85642605606 is 60650624658.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151848310 + ... + 151848873.

It is an arithmetic number, because the mean of its divisors is an integer number (10933098624).

Almost surely, 2^85642605606 is an apocalyptic number.

85642605606 is an abundant number, since it is smaller than the sum of its proper divisors (89286972378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85642605606 is a wasteful number, since it uses less digits than its factorization.

85642605606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303697235.

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 85642605606 in words is "eighty-five billion, six hundred forty-two million, six hundred five thousand, six hundred six".