163326996 has 96 divisors (see below), whose sum is σ = 493920000. Its totient is φ = 46654272.

The previous prime is 163326949. The next prime is 163327009. The reversal of 163326996 is 699623361.

It is a happy number.

163326996 is a `hidden beast` number, since 1 + 633 + 2 + 6 + 9 + 9 + 6 = 666.

163326996 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

163326996 is strictly pandigital in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34840 + ... + 39248.

It is an arithmetic number, because the mean of its divisors is an integer number (5145000).

Almost surely, 2^163326996 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 163326996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246960000).

163326996 is an abundant number, since it is smaller than the sum of its proper divisors (330593004).

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

163326996 is a wasteful number, since it uses less digits than its factorization.

163326996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4443 (or 4421 counting only the distinct ones).

The product of its digits is 314928, while the sum is 45.

The square root of 163326996 is about 12779.9450703045. The cubic root of 163326996 is about 546.6205961241.

The spelling of 163326996 in words is "one hundred sixty-three million, three hundred twenty-six thousand, nine hundred ninety-six".