326168172043 has 12 divisors (see below), whose sum is σ = 399389599560. Its totient is φ = 264858364512.

The previous prime is 326168172041. The next prime is 326168172053. The reversal of 326168172043 is 340271861623.

It is not a de Polignac number, because 326168172043 - 2¹ = 326168172041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (326168172041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175169946 + ... + 175171807.

It is an arithmetic number, because the mean of its divisors is an integer number (33282466630).

Almost surely, 2^326168172043 is an apocalyptic number.

326168172043 is a deficient number, since it is larger than the sum of its proper divisors (73221427517).

326168172043 is a wasteful number, since it uses less digits than its factorization.

326168172043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350341786 (or 350341779 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 326168172043 in words is "three hundred twenty-six billion, one hundred sixty-eight million, one hundred seventy-two thousand, forty-three".