163863330 has 16 divisors (see below), whose sum is σ = 393272064. Its totient is φ = 43696880.

The previous prime is 163863313. The next prime is 163863373. The reversal of 163863330 is 33368361.

It is a junction number, because it is equal to n+sod(n) for n = 163863291 and 163863300.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2731026 + ... + 2731085.

It is an arithmetic number, because the mean of its divisors is an integer number (24579504).

Almost surely, 2^163863330 is an apocalyptic number.

163863330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163863330 is an abundant number, since it is smaller than the sum of its proper divisors (229408734).

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

163863330 is a wasteful number, since it uses less digits than its factorization.

163863330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5462121.

The product of its (nonzero) digits is 23328, while the sum is 33.

The square root of 163863330 is about 12800.9112956852. The cubic root of 163863330 is about 547.2182741901.

The spelling of 163863330 in words is "one hundred sixty-three million, eight hundred sixty-three thousand, three hundred thirty".