169493220339 has 32 divisors (see below), whose sum is σ = 236568440640. Its totient is φ = 107844452352.

The previous prime is 169493220313. The next prime is 169493220341. The reversal of 169493220339 is 933022394961.

It is a happy number.

It is not a de Polignac number, because 169493220339 - 2⁵ = 169493220307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 169493220291 and 169493220300.

It is not an unprimeable number, because it can be changed into a prime (169493220389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1147017 + ... + 1286325.

It is an arithmetic number, because the mean of its divisors is an integer number (7392763770).

Almost surely, 2^169493220339 is an apocalyptic number.

169493220339 is a deficient number, since it is larger than the sum of its proper divisors (67075220301).

169493220339 is a wasteful number, since it uses less digits than its factorization.

169493220339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139559.

The product of its (nonzero) digits is 1889568, while the sum is 51.

The spelling of 169493220339 in words is "one hundred sixty-nine billion, four hundred ninety-three million, two hundred twenty thousand, three hundred thirty-nine".