163876982 has 4 divisors (see below), whose sum is σ = 245815476. Its totient is φ = 81938490.

The previous prime is 163876981. The next prime is 163876987. The reversal of 163876982 is 289678361.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 163876982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163876981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40969244 + ... + 40969247.

It is an arithmetic number, because the mean of its divisors is an integer number (61453869).

Almost surely, 2^163876982 is an apocalyptic number.

163876982 is a deficient number, since it is larger than the sum of its proper divisors (81938494).

163876982 is an equidigital number, since it uses as much as digits as its factorization.

163876982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81938493.

The product of its digits is 870912, while the sum is 50.

The square root of 163876982 is about 12801.4445278648. Note that the first 3 decimals coincide. The cubic root of 163876982 is about 547.2334706273.

The spelling of 163876982 in words is "one hundred sixty-three million, eight hundred seventy-six thousand, nine hundred eighty-two".