163156426322 has 54 divisors (see below), whose sum is σ = 256856077143. Its totient is φ = 77727212184.

The previous prime is 163156426313. The next prime is 163156426333. The reversal of 163156426322 is 223624651361.

It can be written as a sum of positive squares in only one way, i.e., 81578213161 + 81578213161 = 285619^2 + 285619^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=285619.

It is a super-3 number, since 3×163156426322³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 163156426322.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1584042923 + ... + 1584043025.

Almost surely, 2^163156426322 is an apocalyptic number.

163156426322 is a deficient number, since it is larger than the sum of its proper divisors (93699650821).

163156426322 is an frugal number, since it uses more digits than its factorization.

163156426322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420 (or 211 counting only the distinct ones).

The product of its digits is 311040, while the sum is 41.

The spelling of 163156426322 in words is "one hundred sixty-three billion, one hundred fifty-six million, four hundred twenty-six thousand, three hundred twenty-two".