169428741 has 12 divisors (see below), whose sum is σ = 235877472. Its totient is φ = 107972568.

The previous prime is 169428737. The next prime is 169428793. The reversal of 169428741 is 147824961.

It is not a de Polignac number, because 169428741 - 2² = 169428737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 169428693 and 169428702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169428731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107340 + ... + 108906.

It is an arithmetic number, because the mean of its divisors is an integer number (19656456).

Almost surely, 2^169428741 is an apocalyptic number.

It is an amenable number.

169428741 is a deficient number, since it is larger than the sum of its proper divisors (66448731).

169428741 is an frugal number, since it uses more digits than its factorization.

169428741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3160 (or 1593 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 169428741 is about 13016.4795931926. The cubic root of 169428741 is about 553.3446235257.

The spelling of 169428741 in words is "one hundred sixty-nine million, four hundred twenty-eight thousand, seven hundred forty-one".