169435734648 has 32 divisors (see below), whose sum is σ = 423600744960. Its totient is φ = 56477057120.

The previous prime is 169435734641. The next prime is 169435734649. The reversal of 169435734648 is 846437534961.

It is a junction number, because it is equal to n+sod(n) for n = 169435734591 and 169435734600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169435734641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1144411 + ... + 1283957.

It is an arithmetic number, because the mean of its divisors is an integer number (13237523280).

Almost surely, 2^169435734648 is an apocalyptic number.

It is an amenable number.

169435734648 is an abundant number, since it is smaller than the sum of its proper divisors (254165010312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

169435734648 is a wasteful number, since it uses less digits than its factorization.

169435734648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190147 (or 190143 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 60.

The spelling of 169435734648 in words is "one hundred sixty-nine billion, four hundred thirty-five million, seven hundred thirty-four thousand, six hundred forty-eight".