169396654471009 has 27 divisors (see below), whose sum is σ = 207972453969297. Its totient is φ = 137553772420008.

The previous prime is 169396654470997. The next prime is 169396654471081. The reversal of 169396654471009 is 900174456693961.

The square root of 169396654471009 is 13015247.

It is a perfect power (a square), and thus also a powerful number.

169396654471009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 169396654471009 - 2¹⁷ = 169396654339937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (169396654411009) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1730978922 + ... + 1731076780.

Almost surely, 2^{169396654471009} is an apocalyptic number.

169396654471009 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

169396654471009 is the 13015247-th square number.

169396654471009 is the 6507624-th centered octagonal number.

It is an amenable number.

169396654471009 is a deficient number, since it is larger than the sum of its proper divisors (38575799498288).

169396654471009 is an frugal number, since it uses more digits than its factorization.

169396654471009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195770 (or 97885 counting only the distinct ones).

The product of its (nonzero) digits is 264539520, while the sum is 70.

The spelling of 169396654471009 in words is "one hundred sixty-nine trillion, three hundred ninety-six billion, six hundred fifty-four million, four hundred seventy-one thousand, nine".