855168361 has 4 divisors (see below), whose sum is σ = 869662800. Its totient is φ = 840673924.

The previous prime is 855168331. The next prime is 855168371. The reversal of 855168361 is 163861558.

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 a cyclic number.

It is not a de Polignac number, because 855168361 - 2¹¹ = 855166313 is a prime.

It is a super-3 number, since 3×855168361³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (855168331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7247131 + ... + 7247248.

It is an arithmetic number, because the mean of its divisors is an integer number (217415700).

Almost surely, 2^855168361 is an apocalyptic number.

It is an amenable number.

855168361 is a deficient number, since it is larger than the sum of its proper divisors (14494439).

855168361 is a wasteful number, since it uses less digits than its factorization.

855168361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14494438.

The product of its digits is 172800, while the sum is 43.

The square root of 855168361 is about 29243.2618050723. The cubic root of 855168361 is about 949.1842900099.

The spelling of 855168361 in words is "eight hundred fifty-five million, one hundred sixty-eight thousand, three hundred sixty-one".