163297080 has 64 divisors (see below), whose sum is σ = 544327200. Its totient is φ = 43545600.

The previous prime is 163297067. The next prime is 163297097. The reversal of 163297080 is 80792361.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 15 ways as a sum of consecutive naturals, for example, 74521 + ... + 76680.

Almost surely, 2^163297080 is an apocalyptic number.

163297080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163297080 is an abundant number, since it is smaller than the sum of its proper divisors (381030120).

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

163297080 is a wasteful number, since it uses less digits than its factorization.

163297080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151221 (or 151211 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 163297080 is about 12778.7745891380. The cubic root of 163297080 is about 546.5872199306.

It can be divided in two parts, 16329 and 7080, that added together give a square (23409 = 153²).

The spelling of 163297080 in words is "one hundred sixty-three million, two hundred ninety-seven thousand, eighty".