163320080 has 80 divisors (see below), whose sum is σ = 473433984. Its totient is φ = 50903040.

The previous prime is 163320077. The next prime is 163320133. The reversal of 163320080 is 80023361.

163320080 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7097 + ... + 19416.

Almost surely, 2^163320080 is an apocalyptic number.

163320080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163320080 is an abundant number, since it is smaller than the sum of its proper divisors (310113904).

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

163320080 is a wasteful number, since it uses less digits than its factorization.

163320080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26544 (or 26538 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 163320080 is about 12779.6744872473. The cubic root of 163320080 is about 546.6128805566.

The spelling of 163320080 in words is "one hundred sixty-three million, three hundred twenty thousand, eighty".