85153161 has 4 divisors (see below), whose sum is σ = 113537552. Its totient is φ = 56768772.

The previous prime is 85153157. The next prime is 85153213. The reversal of 85153161 is 16135158.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 85153161 - 2² = 85153157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85153111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14192191 + ... + 14192196.

It is an arithmetic number, because the mean of its divisors is an integer number (28384388).

Almost surely, 2^85153161 is an apocalyptic number.

It is an amenable number.

85153161 is a deficient number, since it is larger than the sum of its proper divisors (28384391).

85153161 is a wasteful number, since it uses less digits than its factorization.

85153161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28384390.

The product of its digits is 3600, while the sum is 30.

The square root of 85153161 is about 9227.8470403448. The cubic root of 85153161 is about 439.9468961393.

The spelling of 85153161 in words is "eighty-five million, one hundred fifty-three thousand, one hundred sixty-one".