163871082 has 12 divisors (see below), whose sum is σ = 355054050. Its totient is φ = 54623688.

The previous prime is 163871077. The next prime is 163871087. The reversal of 163871082 is 280178361.

163871082 is a `hidden beast` number, since 1 + 638 + 7 + 10 + 8 + 2 = 666.

163871082 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (163871077) and next prime (163871087).

It can be written as a sum of positive squares in only one way, i.e., 163098441 + 772641 = 12771^2 + 879^2 .

It is not an unprimeable number, because it can be changed into a prime (163871087) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4551957 + ... + 4551992.

Almost surely, 2^163871082 is an apocalyptic number.

163871082 is an abundant number, since it is smaller than the sum of its proper divisors (191182968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163871082 is a wasteful number, since it uses less digits than its factorization.

163871082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9103957 (or 9103954 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 163871082 is about 12801.2140830470. The cubic root of 163871082 is about 547.2269032697.

The spelling of 163871082 in words is "one hundred sixty-three million, eight hundred seventy-one thousand, eighty-two".