161135353426 has 8 divisors (see below), whose sum is σ = 241784612784. Its totient is φ = 80540482500.

The previous prime is 161135353397. The next prime is 161135353507. The reversal of 161135353426 is 624353531161.

161135353426 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 13589700 + ... + 13601551.

It is an arithmetic number, because the mean of its divisors is an integer number (30223076598).

Almost surely, 2^161135353426 is an apocalyptic number.

161135353426 is a deficient number, since it is larger than the sum of its proper divisors (80649259358).

161135353426 is a wasteful number, since it uses less digits than its factorization.

161135353426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27194216.

The product of its digits is 194400, while the sum is 40.

Adding to 161135353426 its reverse (624353531161), we get a palindrome (785488884587).

The spelling of 161135353426 in words is "one hundred sixty-one billion, one hundred thirty-five million, three hundred fifty-three thousand, four hundred twenty-six".