169485950830329 has 81 divisors (see below), whose sum is σ = 286147368687141. Its totient is φ = 96387160025520.

The previous prime is 169485950830309. The next prime is 169485950830373. The reversal of 169485950830329 is 923038059584961.

It is a happy number.

The square root of 169485950830329 is 13018677.

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

169485950830329 is a `hidden beast` number, since 1 + 6 + 9 + 4 + 8 + 59 + 508 + 30 + 32 + 9 = 666.

169485950830329 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 169485950830329 - 2⁹ = 169485950829817 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (169485950830309) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 62060031894 + ... + 62060034624.

Almost surely, 2^{169485950830329} is an apocalyptic number.

169485950830329 is the 13018677-th square number.

169485950830329 is the 6509339-th centered octagonal number.

It is an amenable number.

169485950830329 is a deficient number, since it is larger than the sum of its proper divisors (116661417856812).

169485950830329 is an frugal number, since it uses more digits than its factorization.

169485950830329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5936 (or 2968 counting only the distinct ones).

The product of its (nonzero) digits is 503884800, while the sum is 72.

The spelling of 169485950830329 in words is "one hundred sixty-nine trillion, four hundred eighty-five billion, nine hundred fifty million, eight hundred thirty thousand, three hundred twenty-nine".