163420302 has 16 divisors (see below), whose sum is σ = 326984400. Its totient is φ = 54449472.

The previous prime is 163420289. The next prime is 163420343. The reversal of 163420302 is 203024361.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13828 + ... + 22760.

It is an arithmetic number, because the mean of its divisors is an integer number (20436525).

Almost surely, 2^163420302 is an apocalyptic number.

163420302 is an abundant number, since it is smaller than the sum of its proper divisors (163564098).

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

163420302 is a wasteful number, since it uses less digits than its factorization.

163420302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11987.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 163420302 is about 12783.5950342617. The cubic root of 163420302 is about 546.7246680642.

Adding to 163420302 its reverse (203024361), we get a palindrome (366444663).

The spelling of 163420302 in words is "one hundred sixty-three million, four hundred twenty thousand, three hundred two".