85417072168 has 16 divisors (see below), whose sum is σ = 160161292980. Its totient is φ = 42707394048.

The previous prime is 85417072157. The next prime is 85417072183. The reversal of 85417072168 is 86127071458.

It can be written as a sum of positive squares in 2 ways, for example, as 69990935364 + 15426136804 = 264558^2 + 124202^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233430 + ... + 474682.

Almost surely, 2^85417072168 is an apocalyptic number.

It is an amenable number.

85417072168 is a deficient number, since it is larger than the sum of its proper divisors (74744220812).

85417072168 is a wasteful number, since it uses less digits than its factorization.

85417072168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285516 (or 285512 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 49.

The spelling of 85417072168 in words is "eighty-five billion, four hundred seventeen million, seventy-two thousand, one hundred sixty-eight".