329648068169 has 16 divisors (see below), whose sum is σ = 396794723328. Its totient is φ = 267744559632.

The previous prime is 329648068157. The next prime is 329648068171. The reversal of 329648068169 is 961860846923.

It is a cyclic number.

It is not a de Polignac number, because 329648068169 - 2²⁴ = 329631290953 is a prime.

It is a super-2 number, since 2×329648068169² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (329648068969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9550547 + ... + 9585000.

It is an arithmetic number, because the mean of its divisors is an integer number (24799670208).

Almost surely, 2^329648068169 is an apocalyptic number.

It is an amenable number.

329648068169 is a deficient number, since it is larger than the sum of its proper divisors (67146655159).

329648068169 is a wasteful number, since it uses less digits than its factorization.

329648068169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19135684.

The product of its (nonzero) digits is 26873856, while the sum is 62.

The spelling of 329648068169 in words is "three hundred twenty-nine billion, six hundred forty-eight million, sixty-eight thousand, one hundred sixty-nine".