163919826322 has 24 divisors (see below), whose sum is σ = 286091225100. Its totient is φ = 70234688160.

The previous prime is 163919826307. The next prime is 163919826341. The reversal of 163919826322 is 223628919361.

It can be written as a sum of positive squares in 2 ways, for example, as 131209848441 + 32709977881 = 362229^2 + 180859^2 .

It is a super-2 number, since 2×163919826322² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 163919826322.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 221304 + ... + 613852.

Almost surely, 2^163919826322 is an apocalyptic number.

163919826322 is a deficient number, since it is larger than the sum of its proper divisors (122171398778).

163919826322 is a wasteful number, since it uses less digits than its factorization.

163919826322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396826 (or 396819 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 52.

The spelling of 163919826322 in words is "one hundred sixty-three billion, nine hundred nineteen million, eight hundred twenty-six thousand, three hundred twenty-two".