163120898 has 16 divisors (see below), whose sum is σ = 248269560. Its totient is φ = 80372736.

The previous prime is 163120877. The next prime is 163120907. The reversal of 163120898 is 898021361.

163120898 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 117787609 + 45333289 = 10853^2 + 6733^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40136 + ... + 44012.

Almost surely, 2^163120898 is an apocalyptic number.

163120898 is a deficient number, since it is larger than the sum of its proper divisors (85148662).

163120898 is a wasteful number, since it uses less digits than its factorization.

163120898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4181.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 163120898 is about 12771.8791882792. The cubic root of 163120898 is about 546.3905773395.

The spelling of 163120898 in words is "one hundred sixty-three million, one hundred twenty thousand, eight hundred ninety-eight".