161435 has 8 divisors (see below), whose sum is σ = 196560. Its totient is φ = 127264.

The previous prime is 161411. The next prime is 161453. The reversal of 161435 is 534161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-161435 is a prime.

It is a super-2 number, since 2×161435² = 52122518450, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 161435.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 221 + ... + 609.

It is an arithmetic number, because the mean of its divisors is an integer number (24570).

161435 is a Friedman number, since it can be written as 11^5+6*4^3, using all its digits and the basic arithmetic operations.

2¹⁶¹⁴³⁵ is an apocalyptic number.

161435 is a deficient number, since it is larger than the sum of its proper divisors (35125).

161435 is an equidigital number, since it uses as much as digits as its factorization.

161435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477.

The product of its digits is 360, while the sum is 20.

The square root of 161435 is about 401.7897460115. The cubic root of 161435 is about 54.4501690804.

Adding to 161435 its reverse (534161), we get a palindrome (695596).

The spelling of 161435 in words is "one hundred sixty-one thousand, four hundred thirty-five".