481186161 has 12 divisors (see below), whose sum is σ = 705421392. Its totient is φ = 316002456.

The previous prime is 481186159. The next prime is 481186163. The reversal of 481186161 is 161681184.

481186161 is a `hidden beast` number, since 481 + 18 + 6 + 161 = 666.

It is an interprime number because it is at equal distance from previous prime (481186159) and next prime (481186163).

It is not a de Polignac number, because 481186161 - 2¹ = 481186159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (481186163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 398391 + ... + 399596.

It is an arithmetic number, because the mean of its divisors is an integer number (58785116).

Almost surely, 2^481186161 is an apocalyptic number.

It is an amenable number.

481186161 is a deficient number, since it is larger than the sum of its proper divisors (224235231).

481186161 is a wasteful number, since it uses less digits than its factorization.

481186161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798060 (or 798057 counting only the distinct ones).

The product of its digits is 9216, while the sum is 36.

The square root of 481186161 is about 21935.9558943758. The cubic root of 481186161 is about 783.6179509375.

The spelling of 481186161 in words is "four hundred eighty-one million, one hundred eighty-six thousand, one hundred sixty-one".