163463998 has 8 divisors (see below), whose sum is σ = 245250720. Its totient is φ = 81713760.

The previous prime is 163463977. The next prime is 163463999. The reversal of 163463998 is 899364361.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163463999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10678 + ... + 20998.

It is an arithmetic number, because the mean of its divisors is an integer number (30656340).

Almost surely, 2^163463998 is an apocalyptic number.

163463998 is a deficient number, since it is larger than the sum of its proper divisors (81786722).

163463998 is a wasteful number, since it uses less digits than its factorization.

163463998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18242.

The product of its digits is 839808, while the sum is 49.

The square root of 163463998 is about 12785.3039854358. The cubic root of 163463998 is about 546.7733922270.

It can be divided in two parts, 163463 and 998, that added together give a palindrome (164461).

The spelling of 163463998 in words is "one hundred sixty-three million, four hundred sixty-three thousand, nine hundred ninety-eight".