198160429 has 4 divisors (see below), whose sum is σ = 199255420. Its totient is φ = 197065440.

The previous prime is 198160423. The next prime is 198160441. The reversal of 198160429 is 924061891.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 924061891 = 3371 ⋅274121.

It can be written as a sum of positive squares in 2 ways, for example, as 72675625 + 125484804 = 8525^2 + 11202^2 .

It is a cyclic number.

It is not a de Polignac number, because 198160429 - 2⁷ = 198160301 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 198160391 and 198160400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198160423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 547224 + ... + 547585.

It is an arithmetic number, because the mean of its divisors is an integer number (49813855).

Almost surely, 2^198160429 is an apocalyptic number.

It is an amenable number.

198160429 is a deficient number, since it is larger than the sum of its proper divisors (1094991).

198160429 is a wasteful number, since it uses less digits than its factorization.

198160429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094990.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 198160429 is about 14076.9467215018. The cubic root of 198160429 is about 583.0050427792.

The spelling of 198160429 in words is "one hundred ninety-eight million, one hundred sixty thousand, four hundred twenty-nine".