853162561 has 8 divisors (see below), whose sum is σ = 914233824. Its totient is φ = 793300800.

The previous prime is 853162553. The next prime is 853162573. The reversal of 853162561 is 165261358.

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

It is a cyclic number.

It is not a de Polignac number, because 853162561 - 2³ = 853162553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 853162561.

It is not an unprimeable number, because it can be changed into a prime (853162591) 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, 300915 + ... + 303736.

It is an arithmetic number, because the mean of its divisors is an integer number (114279228).

Almost surely, 2^853162561 is an apocalyptic number.

It is an amenable number.

853162561 is a deficient number, since it is larger than the sum of its proper divisors (61071263).

853162561 is a wasteful number, since it uses less digits than its factorization.

853162561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604751.

The product of its digits is 43200, while the sum is 37.

The square root of 853162561 is about 29208.9465917551. The cubic root of 853162561 is about 948.4416041668.

The spelling of 853162561 in words is "eight hundred fifty-three million, one hundred sixty-two thousand, five hundred sixty-one".