163313340 has 48 divisors (see below), whose sum is σ = 477163008. Its totient is φ = 41656384.

The previous prime is 163313333. The next prime is 163313347. The reversal of 163313340 is 43313361.

It is an interprime number because it is at equal distance from previous prime (163313333) and next prime (163313347).

It is a self number, because there is not a number n which added to its sum of digits gives 163313340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163313347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57792 + ... + 60551.

It is an arithmetic number, because the mean of its divisors is an integer number (9940896).

Almost surely, 2^163313340 is an apocalyptic number.

163313340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163313340 is an abundant number, since it is smaller than the sum of its proper divisors (313849668).

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

163313340 is a wasteful number, since it uses less digits than its factorization.

163313340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118378 (or 118376 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

The square root of 163313340 is about 12779.4107845393. The cubic root of 163313340 is about 546.6053611270.

The spelling of 163313340 in words is "one hundred sixty-three million, three hundred thirteen thousand, three hundred forty".