163302980 has 12 divisors (see below), whose sum is σ = 342936300. Its totient is φ = 65321184.

The previous prime is 163302977. The next prime is 163302989. The reversal of 163302980 is 89203361.

It can be written as a sum of positive squares in 2 ways, for example, as 25381444 + 137921536 = 5038^2 + 11744^2 .

It is not an unprimeable number, because it can be changed into a prime (163302989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4082555 + ... + 4082594.

It is an arithmetic number, because the mean of its divisors is an integer number (28578025).

Almost surely, 2^163302980 is an apocalyptic number.

163302980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163302980 is an abundant number, since it is smaller than the sum of its proper divisors (179633320).

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

163302980 is a wasteful number, since it uses less digits than its factorization.

163302980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8165158 (or 8165156 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 163302980 is about 12779.0054386091. The cubic root of 163302980 is about 546.5938026687.

The spelling of 163302980 in words is "one hundred sixty-three million, three hundred two thousand, nine hundred eighty".