163305156 has 96 divisors (see below), whose sum is σ = 449326080. Its totient is φ = 45201024.

The previous prime is 163305089. The next prime is 163305169. The reversal of 163305156 is 651503361.

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, 411150 + ... + 411546.

It is an arithmetic number, because the mean of its divisors is an integer number (4680480).

Almost surely, 2^163305156 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 163305156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224663040).

163305156 is an abundant number, since it is smaller than the sum of its proper divisors (286020924).

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

163305156 is a wasteful number, since it uses less digits than its factorization.

163305156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553 (or 551 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 163305156 is about 12779.0905779715. The cubic root of 163305156 is about 546.5962304318.

The spelling of 163305156 in words is "one hundred sixty-three million, three hundred five thousand, one hundred fifty-six".