163362603220 has 12 divisors (see below), whose sum is σ = 343061466804. Its totient is φ = 65345041280.

The previous prime is 163362603197. The next prime is 163362603223. The reversal of 163362603220 is 22306263361.

It can be written as a sum of positive squares in 2 ways, for example, as 27807563536 + 135555039684 = 166756^2 + 368178^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163362603223) 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, 4084065061 + ... + 4084065100.

It is an arithmetic number, because the mean of its divisors is an integer number (28588455567).

Almost surely, 2^163362603220 is an apocalyptic number.

163362603220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163362603220 is an abundant number, since it is smaller than the sum of its proper divisors (179698863584).

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

163362603220 is a wasteful number, since it uses less digits than its factorization.

163362603220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8168130170 (or 8168130168 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 34.

Adding to 163362603220 its reverse (22306263361), we get a palindrome (185668866581).

The spelling of 163362603220 in words is "one hundred sixty-three billion, three hundred sixty-two million, six hundred three thousand, two hundred twenty".