163898156 has 24 divisors (see below), whose sum is σ = 311106096. Its totient is φ = 75246080.

The previous prime is 163898153. The next prime is 163898159. The reversal of 163898156 is 651898361.

It is an interprime number because it is at equal distance from previous prime (163898153) and next prime (163898159).

It is a self number, because there is not a number n which added to its sum of digits gives 163898156.

It is not an unprimeable number, because it can be changed into a prime (163898153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26606 + ... + 32181.

It is an arithmetic number, because the mean of its divisors is an integer number (12962754).

Almost surely, 2^163898156 is an apocalyptic number.

It is an amenable number.

163898156 is a deficient number, since it is larger than the sum of its proper divisors (147207940).

163898156 is a wasteful number, since it uses less digits than its factorization.

163898156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58849 (or 58847 counting only the distinct ones).

The product of its digits is 311040, while the sum is 47.

The square root of 163898156 is about 12802.2715171957. The cubic root of 163898156 is about 547.2570383514.

The spelling of 163898156 in words is "one hundred sixty-three million, eight hundred ninety-eight thousand, one hundred fifty-six".