481161771 has 12 divisors (see below), whose sum is σ = 725229648. Its totient is φ = 306827664.

The previous prime is 481161767. The next prime is 481161799. The reversal of 481161771 is 177161184.

481161771 is a `hidden beast` number, since 481 + 1 + 6 + 177 + 1 = 666.

It is not a de Polignac number, because 481161771 - 2² = 481161767 is a prime.

It is not an unprimeable number, because it can be changed into a prime (481161721) 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 11 ways as a sum of consecutive naturals, for example, 1162020 + ... + 1162433.

It is an arithmetic number, because the mean of its divisors is an integer number (60435804).

Almost surely, 2^481161771 is an apocalyptic number.

481161771 is a deficient number, since it is larger than the sum of its proper divisors (244067877).

481161771 is a wasteful number, since it uses less digits than its factorization.

481161771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2324482 (or 2324479 counting only the distinct ones).

The product of its digits is 9408, while the sum is 36.

The square root of 481161771 is about 21935.3999507645. The cubic root of 481161771 is about 783.6047109026.

The spelling of 481161771 in words is "four hundred eighty-one million, one hundred sixty-one thousand, seven hundred seventy-one".