85951168161 has 8 divisors (see below), whose sum is σ = 114732235584. Its totient is φ = 57235439760.

The previous prime is 85951168103. The next prime is 85951168187. The reversal of 85951168161 is 16186115958.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85951168161 - 2¹⁸ = 85950906017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85959168161) 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, 16331685 + ... + 16336946.

It is an arithmetic number, because the mean of its divisors is an integer number (14341529448).

Almost surely, 2^85951168161 is an apocalyptic number.

It is an amenable number.

85951168161 is a deficient number, since it is larger than the sum of its proper divisors (28781067423).

85951168161 is a wasteful number, since it uses less digits than its factorization.

85951168161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32669511.

The product of its digits is 518400, while the sum is 51.

The spelling of 85951168161 in words is "eighty-five billion, nine hundred fifty-one million, one hundred sixty-eight thousand, one hundred sixty-one".