854480233161 has 45 divisors (see below), whose sum is σ = 1284562616733. Its totient is φ = 566053949160.

The previous prime is 854480233133. The next prime is 854480233199. The reversal of 854480233161 is 161332084458.

The square root of 854480233161 is 924381.

It is a perfect power (a square), and thus also a powerful number.

854480233161 is a `hidden beast` number, since 8 + 5 + 4 + 480 + 2 + 3 + 3 + 161 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-854480233161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (854480233121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 2254565070 + ... + 2254565448.

Almost surely, 2^854480233161 is an apocalyptic number.

854480233161 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

854480233161 is the 924381-st square number.

854480233161 is the 462191-st centered octagonal number.

It is an amenable number.

854480233161 is a deficient number, since it is larger than the sum of its proper divisors (430082383572).

854480233161 is an frugal number, since it uses more digits than its factorization.

854480233161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312 (or 653 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 854480233161 in words is "eight hundred fifty-four billion, four hundred eighty million, two hundred thirty-three thousand, one hundred sixty-one".