163580396 has 12 divisors (see below), whose sum is σ = 327160848. Its totient is φ = 70105872.

The previous prime is 163580383. The next prime is 163580399. The reversal of 163580396 is 693085361.

163580396 is an admirable number.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (163580399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2921051 + ... + 2921106.

It is an arithmetic number, because the mean of its divisors is an integer number (27263404).

Almost surely, 2^163580396 is an apocalyptic number.

It is an amenable number.

163580396 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

163580396 is a wasteful number, since it uses less digits than its factorization.

163580396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5842168 (or 5842166 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 163580396 is about 12789.8551985548. The cubic root of 163580396 is about 546.9031419575.

The spelling of 163580396 in words is "one hundred sixty-three million, five hundred eighty thousand, three hundred ninety-six".