85160813898 has 16 divisors (see below), whose sum is σ = 170694328320. Its totient is φ = 28324821216.

The previous prime is 85160813891. The next prime is 85160813921. The reversal of 85160813898 is 89831806158.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (85160813891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15526218 + ... + 15531701.

It is an arithmetic number, because the mean of its divisors is an integer number (10668395520).

Almost surely, 2^85160813898 is an apocalyptic number.

85160813898 is an abundant number, since it is smaller than the sum of its proper divisors (85533514422).

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

85160813898 is a wasteful number, since it uses less digits than its factorization.

85160813898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31058381.

The product of its (nonzero) digits is 3317760, while the sum is 57.

The spelling of 85160813898 in words is "eighty-five billion, one hundred sixty million, eight hundred thirteen thousand, eight hundred ninety-eight".