163520898 has 8 divisors (see below), whose sum is σ = 327041808. Its totient is φ = 54506964.

The previous prime is 163520893. The next prime is 163520921. The reversal of 163520898 is 898025361.

It is a sphenic number, since it is the product of 3 distinct primes.

163520898 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (163520893) 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 3 ways as a sum of consecutive naturals, for example, 13626736 + ... + 13626747.

It is an arithmetic number, because the mean of its divisors is an integer number (40880226).

Almost surely, 2^163520898 is an apocalyptic number.

163520898 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

163520898 is a wasteful number, since it uses less digits than its factorization.

163520898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27253488.

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 163520898 is about 12787.5290028997. The cubic root of 163520898 is about 546.8368267798.

The spelling of 163520898 in words is "one hundred sixty-three million, five hundred twenty thousand, eight hundred ninety-eight".