163108368 has 30 divisors (see below), whose sum is σ = 456477294. Its totient is φ = 54369408.

The previous prime is 163108367. The next prime is 163108397. The reversal of 163108368 is 863801361.

It can be written as a sum of positive squares in only one way, i.e., 133818624 + 29289744 = 11568^2 + 5412^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (163108367) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 566205 + ... + 566492.

Almost surely, 2^163108368 is an apocalyptic number.

163108368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

163108368 is an abundant number, since it is smaller than the sum of its proper divisors (293368926).

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

163108368 is a wasteful number, since it uses less digits than its factorization.

163108368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132711 (or 1132702 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 163108368 is about 12771.3886480680. The cubic root of 163108368 is about 546.3765867977.

The spelling of 163108368 in words is "one hundred sixty-three million, one hundred eight thousand, three hundred sixty-eight".