163224220635 has 160 divisors (see below), whose sum is σ = 353857185792. Its totient is φ = 70365335040.

The previous prime is 163224220633. The next prime is 163224220637. The reversal of 163224220635 is 536022422361.

163224220635 is a `hidden beast` number, since 16 + 3 + 2 + 2 + 4 + 2 + 2 + 0 + 635 = 666.

It is an interprime number because it is at equal distance from previous prime (163224220633) and next prime (163224220637).

It is not a de Polignac number, because 163224220635 - 2¹ = 163224220633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 163224220635.

It is not an unprimeable number, because it can be changed into a prime (163224220633) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 4611927 + ... + 4647183.

Almost surely, 2^163224220635 is an apocalyptic number.

163224220635 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

163224220635 is an abundant number, since it is smaller than the sum of its proper divisors (190632965157).

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

163224220635 is a wasteful number, since it uses less digits than its factorization.

163224220635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35375 (or 35366 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 163224220635 its reverse (536022422361), we get a palindrome (699246642996).

The spelling of 163224220635 in words is "one hundred sixty-three billion, two hundred twenty-four million, two hundred twenty thousand, six hundred thirty-five".