85694161 has 32 divisors (see below), whose sum is σ = 110315520. Its totient is φ = 64800000.

The previous prime is 85694149. The next prime is 85694171. The reversal of 85694161 is 16149658.

It is a 5-Lehmer number, since φ(85694161) divides (85694161-1)⁵.

It is a cyclic number.

It is not a de Polignac number, because 85694161 - 2¹⁷ = 85563089 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (85694131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 341286 + ... + 341536.

It is an arithmetic number, because the mean of its divisors is an integer number (3447360).

Almost surely, 2^85694161 is an apocalyptic number.

It is an amenable number.

85694161 is a deficient number, since it is larger than the sum of its proper divisors (24621359).

85694161 is a wasteful number, since it uses less digits than its factorization.

85694161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445.

The product of its digits is 51840, while the sum is 40.

The square root of 85694161 is about 9257.1140751316. The cubic root of 85694161 is about 440.8766286770.

The spelling of 85694161 in words is "eighty-five million, six hundred ninety-four thousand, one hundred sixty-one".