85179171660 has 96 divisors (see below), whose sum is σ = 260229521664. Its totient is φ = 20645856000.

The previous prime is 85179171641. The next prime is 85179171703. The reversal of 85179171660 is 6617197158.

It is a super-3 number, since 3×85179171660³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7109475 + ... + 7121445.

It is an arithmetic number, because the mean of its divisors is an integer number (2710724184).

Almost surely, 2^85179171660 is an apocalyptic number.

It is an amenable number.

85179171660 is an abundant number, since it is smaller than the sum of its proper divisors (175050350004).

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

85179171660 is a wasteful number, since it uses less digits than its factorization.

85179171660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22775 (or 22773 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 51.

The spelling of 85179171660 in words is "eighty-five billion, one hundred seventy-nine million, one hundred seventy-one thousand, six hundred sixty".