161314535 has 4 divisors (see below), whose sum is σ = 193577448. Its totient is φ = 129051624.

The previous prime is 161314529. The next prime is 161314537. The reversal of 161314535 is 535413161.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 161314535 - 2¹⁶ = 161248999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 161314498 and 161314507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161314537) 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, 16131449 + ... + 16131458.

It is an arithmetic number, because the mean of its divisors is an integer number (48394362).

Almost surely, 2^161314535 is an apocalyptic number.

161314535 is a deficient number, since it is larger than the sum of its proper divisors (32262913).

161314535 is an equidigital number, since it uses as much as digits as its factorization.

161314535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32262912.

The product of its digits is 5400, while the sum is 29.

The square root of 161314535 is about 12700.9659081505. The cubic root of 161314535 is about 544.3662189044.

Adding to 161314535 its reverse (535413161), we get a palindrome (696727696).

The spelling of 161314535 in words is "one hundred sixty-one million, three hundred fourteen thousand, five hundred thirty-five".