163356396 has 144 divisors (see below), whose sum is σ = 474356736. Its totient is φ = 43524096.

The previous prime is 163356377. The next prime is 163356421. The reversal of 163356396 is 693653361.

It is a super-2 number, since 2×163356396² = 53370624228217632, which contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 635500 + ... + 635756.

It is an arithmetic number, because the mean of its divisors is an integer number (3294144).

Almost surely, 2^163356396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163356396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237178368).

163356396 is an abundant number, since it is smaller than the sum of its proper divisors (311000340).

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

163356396 is a wasteful number, since it uses less digits than its factorization.

163356396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348 (or 339 counting only the distinct ones).

The product of its digits is 262440, while the sum is 42.

The square root of 163356396 is about 12781.0952582320. The cubic root of 163356396 is about 546.6533926647.

The spelling of 163356396 in words is "one hundred sixty-three million, three hundred fifty-six thousand, three hundred ninety-six".