163899498 has 16 divisors (see below), whose sum is σ = 374627520. Its totient is φ = 46828416.

The previous prime is 163899493. The next prime is 163899517. The reversal of 163899498 is 894998361.

It is not an unprimeable number, because it can be changed into a prime (163899493) 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, 1951143 + ... + 1951226.

It is an arithmetic number, because the mean of its divisors is an integer number (23414220).

Almost surely, 2^163899498 is an apocalyptic number.

163899498 is an abundant number, since it is smaller than the sum of its proper divisors (210728022).

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

163899498 is a wasteful number, since it uses less digits than its factorization.

163899498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3902381.

The product of its digits is 3359232, while the sum is 57.

The square root of 163899498 is about 12802.3239296621. The cubic root of 163899498 is about 547.2585319963.

The spelling of 163899498 in words is "one hundred sixty-three million, eight hundred ninety-nine thousand, four hundred ninety-eight".