163380318 has 32 divisors (see below), whose sum is σ = 332449920. Its totient is φ = 53520480.

The previous prime is 163380317. The next prime is 163380331. The reversal of 163380318 is 813083361.

It is a happy number.

It is a super-2 number, since 2×163380318² = 53386256619562248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163380311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84721 + ... + 86627.

It is an arithmetic number, because the mean of its divisors is an integer number (10389060).

Almost surely, 2^163380318 is an apocalyptic number.

163380318 is an abundant number, since it is smaller than the sum of its proper divisors (169069602).

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

163380318 is a wasteful number, since it uses less digits than its factorization.

163380318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 163380318 is about 12782.0310592644. The cubic root of 163380318 is about 546.6800754362.

The spelling of 163380318 in words is "one hundred sixty-three million, three hundred eighty thousand, three hundred eighteen".